CA2705756C - Composition and method for dry application of mascara - Google Patents
Composition and method for dry application of mascara Download PDFInfo
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- CA2705756C CA2705756C CA2705756A CA2705756A CA2705756C CA 2705756 C CA2705756 C CA 2705756C CA 2705756 A CA2705756 A CA 2705756A CA 2705756 A CA2705756 A CA 2705756A CA 2705756 C CA2705756 C CA 2705756C
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- eyelashes
- mascara
- cosmetic composition
- transfer sheet
- applicator system
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
- A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
- A45D40/30—Masks for marking lips or eyelashes
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Abstract
A substantially dry mascara formulation, a mascara application composition and a method of applying the formulation is described. The substantially dry mascara formulation may be deposited on the surface of a carrier substrate and applied to the eye lashes by contacting the mascara and substrate to the eye lashes. An application tool may optionally be used to aid application of the formulation to the eye lashes. The present invention allows various desired color gradients, patterns or designs to be imparted to the eye lashes.
Description
COMPOSITION AND METHOD FOR DRY APPLICATION OF MASCARA
FIELD OF INVENTION
The present invention relates generally to cosmetic compositions for eyelashes and methods for applying the cosmetic compositions to eye lashes.
B.WK(3ROUND OE THE INNENTEOT.ri.
Conventional mascara formulations are wet or moist suspensions that are typically in the form of a thick paste that must be applied to the eye lashes of a person using a brush or comb applicator. Mascara compositions of the prior art may be characterized under ambient conditions as. Newtonian or non-NeWtonian (to include psendoplastic and dilitant thuds) depending On the product attributes desired. These mascara formulations can be messy and difficult to apply. The mascara is loaded on to a brush applicator that is then brought into contact with the lashes to transfer the mascara to the eye lashes. Typically, this application process is repeated many times or teased to achieve the desired effect, the process being tedious and. time consuming, often resulting in accidental deposition of product either in the eye or on the skin of the eye lids or face requiring corrective measures. Upon proper application, the mascara. is then allowed to dry on the eyelashes. During the drying or curing period the composition can and will transfer from the lashes if contacted leading to further corrective measures and in some cases re-application of product.
This method of application requires a steady hand and. must be done in a stAtionaty environment to avoid smudging of the mascara to other parts of the face or clothing.
Moreover, the application of makara using a brush applicator with bristles in clOse proximity to the eye can be intimidating and may dissuade persons from using mascara.
Persons with poor eyesight or poor hand-eye coordination either have a very difficult time using mascara pro-ducts or abstain from using such products. Using conventional mascara products and methods of application, it is not possible or very difficult to impart desired visual effects to the eye lashes, such as patterns or designs. Therefore, there is a need for an improved.
mascara .formulation and a method of mascara application that avoids these problems.
SUMMARY OF THE INVENTION
The present invention provides a composition and a method for the application of a thy or solid mascara formulation to eye lashes. The object of the inventiOn is to provide an improved composition and method for the .application a dry mascara formulation to eye lashes, delivering an instant effect The present invention provides a simple and effective dry application technique that avoids the disadvantages of conventional mascara application formulations and application techniques. The method and composition described allow the application of mascara .with various patterns or designs to .be applied to the eye lash, which.
are difficult: or not possible with conventional mascara formulations or application methods;
.Furthermore, .the method and composition allow for An instant effect.
1.5 In another embodiment, a thy mascara .formulation is provided that may be deposited.
on a planar substrate and transferred to the eye lashes from the substrate by putting the formulation in contact with the eye lashes.
In one embodiment, a mascara application system is provided comprising a first substrate material which acts as a carrier for the mascara formulation., a dry mascara formulation and a second substrate material placed on top of the mascara formulation.
In yet another embodiment, a mascara application system is provided by a layered.
system comprising a backing ........................................... one or more adhesives, a patterned ink layer, and a transfer film layer, as well as a multitude of optional layers.
In another embodiment, a method for the application of dry mascara to eye lashes is provided, comprising contacting the eye lashes with a dry mascara formulation positioned on
FIELD OF INVENTION
The present invention relates generally to cosmetic compositions for eyelashes and methods for applying the cosmetic compositions to eye lashes.
B.WK(3ROUND OE THE INNENTEOT.ri.
Conventional mascara formulations are wet or moist suspensions that are typically in the form of a thick paste that must be applied to the eye lashes of a person using a brush or comb applicator. Mascara compositions of the prior art may be characterized under ambient conditions as. Newtonian or non-NeWtonian (to include psendoplastic and dilitant thuds) depending On the product attributes desired. These mascara formulations can be messy and difficult to apply. The mascara is loaded on to a brush applicator that is then brought into contact with the lashes to transfer the mascara to the eye lashes. Typically, this application process is repeated many times or teased to achieve the desired effect, the process being tedious and. time consuming, often resulting in accidental deposition of product either in the eye or on the skin of the eye lids or face requiring corrective measures. Upon proper application, the mascara. is then allowed to dry on the eyelashes. During the drying or curing period the composition can and will transfer from the lashes if contacted leading to further corrective measures and in some cases re-application of product.
This method of application requires a steady hand and. must be done in a stAtionaty environment to avoid smudging of the mascara to other parts of the face or clothing.
Moreover, the application of makara using a brush applicator with bristles in clOse proximity to the eye can be intimidating and may dissuade persons from using mascara.
Persons with poor eyesight or poor hand-eye coordination either have a very difficult time using mascara pro-ducts or abstain from using such products. Using conventional mascara products and methods of application, it is not possible or very difficult to impart desired visual effects to the eye lashes, such as patterns or designs. Therefore, there is a need for an improved.
mascara .formulation and a method of mascara application that avoids these problems.
SUMMARY OF THE INVENTION
The present invention provides a composition and a method for the application of a thy or solid mascara formulation to eye lashes. The object of the inventiOn is to provide an improved composition and method for the .application a dry mascara formulation to eye lashes, delivering an instant effect The present invention provides a simple and effective dry application technique that avoids the disadvantages of conventional mascara application formulations and application techniques. The method and composition described allow the application of mascara .with various patterns or designs to .be applied to the eye lash, which.
are difficult: or not possible with conventional mascara formulations or application methods;
.Furthermore, .the method and composition allow for An instant effect.
1.5 In another embodiment, a thy mascara .formulation is provided that may be deposited.
on a planar substrate and transferred to the eye lashes from the substrate by putting the formulation in contact with the eye lashes.
In one embodiment, a mascara application system is provided comprising a first substrate material which acts as a carrier for the mascara formulation., a dry mascara formulation and a second substrate material placed on top of the mascara formulation.
In yet another embodiment, a mascara application system is provided by a layered.
system comprising a backing ........................................... one or more adhesives, a patterned ink layer, and a transfer film layer, as well as a multitude of optional layers.
In another embodiment, a method for the application of dry mascara to eye lashes is provided, comprising contacting the eye lashes with a dry mascara formulation positioned on
2 a carrier substrate and optionally applying pressure, beat, light Or a combination thereof, to the mascara formulation or substrate to transfer the mascara to the eye lash.
The invention enables mascara with various patterns, designs or effects to be easily and effectively applied to the eye lash to achieve a desired eye lash appearance. Furthermore, patterns and designs may be super imposed upon one another to deliver dimensional effects.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1. Figure 1 depicts the application tool pressed against a set of eyelashes with the eyelashes disposed over the surface of the applicator, such that when a cosmetic composition or other composition is present on the surface of the applicator, it is transferred upon the application of pressure, to the eyelashes. Various non-limiting effects which are achievable are also illustrated.
Figure 2, Figure 2 shows an example of one possible application tool fir the application of a dry mascara formulation.
Figure 3, Figure shows various dry mascara patterns that may be deposited on a carrier substrate.
Figure 4. Figure 4 shows various mascara effects that may be accomplished by the dry mascara formulation and method of application.
Figure 5. Figure 5 illustrates a range of eye lash coverage and special effects that may be accomplished by the dry mascara formulation and method of application.
Figure 6. Figure illustrates eye lashes with mascara that incorporates a glitter material.
Figure7. Figure 7 illustrates one embodiment of a simple layer system for delivering mascara according to the invention.
Figure 8, Figure 8 illustrates one embodiment of a mascara delivery system according to the invention.
Figure 9. Fiore 9 shows two scanning electron microscope (SEN) scans of one possible configuration of dots. The scan on the right is a magnification of one of the dots in the scan to the lefi. The dots are approximately 0.2 mm (or 200 um) in diameter.
Figure 10. Figure 10 illustrates one embodiment according to the invention wherein the product is provided with a backing sheet and a transfer sheet, wherein the cosmetic product is sandwiched or housed between these two layers. The backing sheet and transfer sheet are pulled in opposing directions such that the backing sheet is peeled away, and upon removal exposes an adhesive layer bearing a plurality of microdots; On contact with an eyelash, the adhesive adheres to the eyelash and affixes thereto the microdots. The transfer sheet is then pealed away from the eyelash leaving the microdots deposited on the aforementioned eyelash Figure 1L Figure 11 illustrates one implementation of a product according to the invention which comprises a folded sheet having disposed on at least one inner surface a cosmetic product. The product may comprise a pressure sensitive ink on the outer surface which indicates when sufficient pressure has been applied to transfer the cosmetic to the eyelashes.
Figure 12. Haire 12 illustrates various patterns in which the cosmetic composition may be applied or printed onto the product. As illustrated, tiled hexagon patterns of hexagonal "dots".provide for the most efficient transfer to the eyelashes, whereas:
lines of cosmetic are less efficiently transferred.
Figure 13. Figure 13 illustrates two embodiments of applicator devices according to the inventions In embodiment "a" the product is loaded into a recess kmed between two rigid plate-like members, which may have a slightly arched configuration according to the contours of the eyelids. In operation the user applies force to a lever which brings together the plates to provide the necessary pressure to transfer the cosmetic to the eyelashes. In embodiment "b" the product is, held in a recess formed between a terminal end (-lithe device.
and the edge of a solid member slidably disposed in the device, such that the slidable member may be moved toward the terminal end of the device to engage the product and create sufficient pressure to transfer the cosmetic to the eyelashes, Figure 14. Figure 14 illustrates four embodiments of the invention, wherein the cosmetic product: is disposed on the backing layer as a plurality Of microdots, a color gradient along line 14, a color gradient perpendicular to line I-1, and a plurality of lines along line DETAIL:v:0 DESCREPTION OF THE NVENBON
The present invention provides new compositions and products for applying cosmetics to the eyelashes and methods for applying the compositions to the eyelashes The products comprise,.comptiCs for the eyelashes (e.g,, mascara) that differ from conventional cosmetics of this type in that they are provided in a substantially solid form. Compositions of the present invention will come to the consumer as a peel and stick type product. Such compositions may employ powders, solid, semi-solids, or combinations therea but are not viscous liquids or pastes like conventional mascara products.
In a further departure from conventional products the present invention may be produced by one or more printing processes. That is the present invention may be a printed pattern of virtually any dimension and or design. Furthermore, the present invention may consist of or manifest :itself as a single dot or set of dots combined to deliver a desired effect.
The term dot shall be used as a general descriptive term from this point forward, however the term dot may represent a myriad of possible shapes. For example, shapes would includ.e but not be limited to (Aides, triangles, stars consisting, of at least two points, squares; rectangles, rhombohedrons, pentagons, hexagons, octagons and so on. The printing processes include but are not limited to lithographic pres';s, flexography, xerographic or laser printing, release coating, digital print, ink jet format, and totograyttre or screen printing.
The compositions of the present invention are considered to be instant, that is no manipulation or drying time is needed to gain the desired effect.
The compositions and methods of the present invention may be realized, for example, in the following manner. Referring now to figure 7, one embodiment of the product of the present invention can be described aS a simple layer system. The inventive cosmetic product may be comprised of a backing film or protective layer upon which an adhesive layer has been placed. The next layer would be the colorant or printed image being fully incorporated or embedded into the aforementioned adhesive layer and the final layer would be a transfer film material made of a suitable material, such as paper, plastic, or a combination thereof_ In this configuration, the backing layer serves as a disposable substrate to protect the adhesive front contamination or premature dry-out prior to use. The adhesive is employed to adhere the colorant or printed image onto the eyelashes as well as affix the cosmetic composition to the backing film and the transfer film prior to use. The transfer film holds the cosmetic composition and acts as an applicator of sorts for applying the composition to the eyelashes.
The transfer film is then peeled away after the composition is positioned and the adhesion mechanism is tringered. The cosmetic composition may be applied to the adhesive/backing material by any suitable method such as printing or the like and may be provided as uniform coating or may be disposed thereon. in a pattern.
Typically, the backing film acts as a protective shield for the adhesive, It comprises materials that have some affinity for the adhesive such that the adhesive sticks to the backing film, but that the Nicking film IS easily teititived The transfer film or sheet serVeS as an anchor for one side or a portion of the cosmetic composition prior to use.
Additionally, the adhesive is used to affix the CoSitetie composition to the eyelashes upon uSe and is typically a pressure sensitive adhesive, which provides sufficient stihstantivity to hold the cosmetic:
composition on the eyelashes for as long as the effect is desired by the consumer.
The product will typically also comprise a backing film of thin plastic or paper material, preferably transparent plastic such as clear polypropylene Or Mylat.
, which covers and protects the cosmetic composition prior to use. The backing film should be removable by peeling without substantially disrupting the composition. The covering layer may be held in place by adhesive On the periphery or corners of the backing layer or by any other suitable means.
Referring now to figure 8, one embodiment of the product of the present invention can be described in greater detail as a more complex layered system. The carrier layer or .protective non-stick layer is in direct contact with the adhesive layer or layers. This carrier layer may be a material such as blaxially-orientated polyethylene terephdialate polyester film (Mylar1), in direct contact with the adhesive layer opposite to the carrier may be a sealing layer to protect the colorant or printed pattern layer. A suffice preparation layer comprising polyvinyl alcohol, polyvinylpyrollidone, gelatine or combinations thereof and a second sealing layer sandwiches the patterned ink or colorant layer in. These sealing layers may be a varnish comprised of a drying oil, a resin and a solvent. Next is a release coating layer comprised of non-stick silicone or mixtures of silicones which allows the composition to separate from the backing or second carrier. An optional sizing agent may be employed to modify the stiffness or texture of the backing or second carrier which is comprised of paper, plastic or a combination thereof, Both carriers are designed to peel away, the first carrier is protective in nature and when removed eNpOses the adhesiw that anchors the composition to the eyelashes. The second carrier acts as an applicator or sons and is peeled away after the composition is secured to the target substrate in this case the eyelashes.
To apply the:composition to tho eyelashes,. the user Ili% removes the protective layer from the product:, if present, to expose the cosmetic composition. The backing layer is then folded over the eyelashes such that the composition is deposited On the top and/or bottom of the lashes, as illustrated in Figure 2. The backing layer may be provided with perforations or folds roughly in the middle of the sheet to facilitate folding. The composition transfers from the backing layer to the lashes on contact therewith, preferably through the application of pressure, such as by squeezing the folded backing layer with the fingers or with a specialized apparatus adapted to receive the folded product. Optionally, the backing layer, application tool of the composition itself may contain an indicator to alert the user as to when the appropriate conditions have been achieved for adequate deposition. Said indicator may manifest itself by a visual or tactile mode The transfer may by improved by the application of heat, which is contemplated to reduce the force needed to remove the composition from the backing layer and transfer it onto the lashes, The product may be pre-heated using a hairdryer or the like or the specialized apparatus mmiy. be adapted to heat the backing material during application. The backing material is then removed from the lashes by releasing the applied pressure. Optionally, the product or the lashes may be wetted to assist in removal.
The invention described herein avoids the disadvantages of conventional mascara formulations and application techniques by applying a dry mascara formulation to eye lashes using a new dry transfer method of application. The dry mascara application method described herein does not include the use of a conventional brush applicator to apply wet or moist mascara formulation by brushing the eyelashes. Further, the invention enables a wide variety Of aesthetic effects (pattop, designs etc.) which are difficult or not .posSible with conventional mascara, The adhesive may also be infused within or make up part of the cosmetic composition or a combination of sprayed on the composition as well as being infused with or make up part of the composition.
Referring now to Figure 1, one embodiment of the product of the invention is illustrated with eyelashes superimposed over the lower portion thereof. There is essentially no constraint on the shape of the backing layer, although at least one edge is preferably provided with a concave curvature substantially matching the curvature of the eyelid such that when the product is placed against the lashes, maximum coverage is obtained, as illustrated in Figure 1. The opposing edge of the product may also be similarly configured such that when the product is folded over to encase the lashes, the top and bottom of the lashes each receive maximum coverage.
The backing layer may be composed of any suitable material such that it can be folded without breaking, including without limitation, polypropylene, acetate, polystyrene, or paper. In a currently preferred embodiment, the backing layer is a clear, flexible material.
The backing layer may be coated or laminated with an adhesive layer to improve adherence of the cosmetic composition thereto. Any adhesive that is suitable for cosmetic or medical use may be used. Adhesives include but are not limited to silicone adhesives, natural rubber adhesives, styrene/butadiene latex-based adhesives, butyl rubber and polyisobutylene adhesives, acrylic adhesives, vinyl ether adhesives, glues, bioadhesives, thermoplastic adhesives, thermosetting adhesives, elastomers, reactive adhesives, and the like. The adhesive may be, for example, a pressure sensitive adhesive, including without limitation, a heat or ultraviolet curable polymeric material. Rubber-based adhesives include those described in U.S. Patent Nos. 3,289,478.
Acrylic adhesives include those described in U.S. Patent No. 3,008,850 and U.S.
Patent No. 3,924,044. The adhesives may further comprise a tackifying agent to adjust the adhesive properties. Acrylic pressure sensitive adhesives include those available from 3MTm under the trade designation 3MTm 9472 laminating adhesive.
The adhesive may be applied uniformly over one surface of the backing layer or may be printed on the backing layer in a pattern or design such that when the cosmetic product is deposited on the backing layer, it adheres predominantly to the adhesive and thus mirrors the printed pattern of the adhesive. In this manner a wide variety of aesthetic effects are achievable.
A key component of the inventive products is the cosmetic composition which is provided on the backing layer in substantially dry form. The cosmetic composition may comprise any ingredients conventionally included in cosmetic products, particularly mascaras, with the proviso that the nature of the ingredients and/or the amounts employed are selected such that the finished cosmetic product is substantially dry. Thus, the cosmetic compositions may include colorants (pigments, lakes, dyes, and inks), pearlescent agents, glittering agents, fillers, film-formers, emollients, humectants, surface-active agents, oils, solvents, thickeners, structuring agents, viscosity modifiers and the like.
The dry cosmetic composition may include an adherent (binder) component, which promotes the transfer of the dry mascara formulation from the substrate to the eyelashes and fixes the cosmetic composition to the eyelashes. Suitable adherent components include, but are not limited to solvents, oils, adhesives, waxes, resins or other materials that impart cohesive properties to the dry mascara formulation.
Solvents used in the production of the cosmetic product of the invention may be either volatile or non-volatile. Such solvents may be present in a residual capacity in the finished product but it should be stated that the overall composition is in the dry or solid form. That is the solvents would not be capable of flowing under ambient conditions in the final product configuration. Volatile. solvents = include but are not limited to organic solvents such as.
hydrocarbon solvents, alcohols and silicone solvents. Particular mention may be made of eye:1.01nd hi cones, such as for example, he.x.amethy !eye otri siloxane, octametbylcyclotetrasiloxane, decame thy lc yclopentasi lox ane and volatile 'linear dimethylpolysilaxanes. Nonvolatile silicone oils, both water soluble and water insoluble, are also contemplated to be suitable. Preferred non-volatile oils are high-molecular silicones such as dimethyl polysiloxane (dimethieono, phenyl trimethicone, .diphertyl dimethicone.
Suitable water insoluble silicones include amine functional silicones such as amodimethicone; phenyl substituted silicones such as hisphenvlheKamethicone, phenyl trimethiconeõ or polyphenyhnethylsiloxarte; dimethicone; alkyl substituted dimethicones; or mixtures thereof Other solvents or vehicles include, but are not limited to, water, lower alcohols, fatty alcohols, fatty ethers, thtty esters, isododecane, polyols, glycols, liposomes., laminar lipid materials, or any combinations thereof, -Polybutene and polyisobutene are also contemplated .to be useful. When present, the solvent or vehicle will typically comprise from about 0.001 % to about 20% by weiiiht, preferably from about 0.01% to about 10% by weight, more preferably from about 0.01% to about 5% or from 0.1% to about I%
by weight of the dry cosmetic composition, In some embodiments, the cosmetic compositions are substantially free of solvent, meaning they comprise less than about 1% by weight solvent, preferably less than about 0.5% by weight 2() Waxes may be used as binders. in the composition. or may be employed to provide structure to the composition. Waxes that may be used in the dry .cosmetic formulation .comprise animal waxes, vegetable Waxes, mineral waxes, variOus frar.OUS of natural waxes, synthetic waxes, petroleum waxek=ethylenic polymers hydrocarbon wake$ such as.fischer-Tropsch wakes; silicone waxes and mixtures thereof. In particular, Wakes used in the dry mascara formulation include but are not limited to beeswax, carnauba wax, candelitla wax, paraffin wax, lanolin wax, shellac wax (animal waxes), bayberry wax (vegetable waxes);
ozokerite wax, ceresin wax, microcrystalline waxes (petroleum waxes), polyethylene, Fischer-Tropsch waxes, alkyl methicones (silicone waxes), ceresin wax, bran wax, rice wax and jojoba wax and mixtures thereof.
Synthetic waxes also include, for example, polyethylene glycols such as PEG.-I8, PEG-20, PEG-32, PEG-75, PEG-90, PEG-100, and PEG-I 80 which are sold undet the tradename Carbowax (The Dow Chemical Company), Mention may be made of Carbowax 1000 which has a molecular weight range of 950 to 1,050 and a melting point of about 38T, Carbowax 1450 which has a molecular weight range or about 1,305 to 1,595 and a melting point of about 56T, Carbowax 3350 which has a molecular weight range of 3,015 to 3,685 and a melting point of about 56T, and Carbowax 8000 which has a molecular weight range of 7,000 to 9,000 and a melting point of about 61 C. Wax-like materials that are a natural or synthetic resins or resin derivatives, such as rosinate esters, hydrogenated rosinate esters, polyamide resins, rubber, and latex are also contemplated to be suitable.
When present, waxes will typically, though not necessarily, comprise about 0,001% to about 90% by weight of the cosmetic composition. More typically, waxes will comprise from about 0,001% to about 50%, or from about 0.001% to about 20% by weight of the cosmetic composition.
Polymers, co-polymers or terpolymers may also be used as binders or film-forming 2() .agents in the cosmetic compositions. The polymers, co-polymers or terpolymers used may be water-soluble or water-insoluble polymers and may be natural or synthetic.
Specific examples Of polymers include hydrogenated polYoyclopentadiene, latex-based polymers or co-polyrners, diethyl phthalate, polyvinyl pyrrolidone (PVP), polyethylene, polypropylene, polydialkylsiloxane polymers, ethylene/propylene copolymer, PVP/eicosene copolymer, poly carboxylic acid based polymers including alkyl acrylate or (meth)acrylatos, acrylic lteid (ineth)a4le acid or aerylamide (a, (ineth)acrylamide polymers.
or co-polymers; polyvinyl esters, polyvinyl alcohols, olefin oxide polymers snob as polyethylene oxide or polypropylene oxide; polyisobutylene, polyisoprene, polybutadiene, polyvinyl chloride, polychlompreneõ .polyacrylonitrile, imide polymers, urethanes or polyurethanes, nylon polymers, polystyrene, polyterpenes and co-polymers thereof Natural polymers include cellulose derivatives, &gin and its derivatives, starch and its derivatives, oar and its derivatives and shellac polymers. The polymers may be present from about 0.1%
to about .50% by *tight, more typically from about 1% to about 10% by Weight, tithe dry:
cosmetic .composition.
The cosmetic compositions may include film formers that are substantially water-resistant. One such water-resistant film forming polymer is the vinylpyrrolidoneleicosene copolymer sold under the name (lama V-220 (Marketed by 1SP). Other water-resistant film formers inelade polyolefinsõ polyvinylpyrrolidone polymers and copolymers, polyethylenes, polyalkylsõ polystyrenes, triglycerides, epoxy resins, shellacs, and any combinations thereof The composition may also comprise water soluble or water dispersible film formers_ These include, without limitation, .butylated PVP, which is commercially available under the TM
tradename GANEX P-904 (distributed by 1SP), 2-butendoic acid, available as GANTREZ S-97-SF (distdbuted by 1SP), -diglycol/CHOM(cyclohexanedimethanol)iisopthalates/SIP
(sulfoisophthalates) copolymer Which is commercially available under- the name AQ-55$
.(Eastman), acrylic copolymer .emulsion (e.g. COVACKYL Al 5 and cOVACRYL E14;
distributed by LcW), 'actylates/ammonium MethacryititeS .copolYmet in water (e.g.
TM TM
ULTRASOL 2000C, distributed by Presperse), modified starch (e,g. PURE COAT
B793:, TM
distributed by Grain Protessing), .sulfortated poylstyrene (e.g. FLEXAN II, distributed by TM
National Starch), acrylatesiC12-22 alkylmetbacrylate copolymer (e.g. ALL1ANZ
OPT, distributed by ISP), ethylene carl niide/ocrornktontethyl propanesu WankTM
acialmethacrylic acid (e.g. ACUDYNE SCP, distributed by Rohm and Haas.), TM
acxylatesiethythexyl acrylate copolymer (e.g. DA1TASOL SJ, distributed by Dflit0 Kasei Kogyo Co,, Ltd.), or any combinations thereof Water absorbent or supeNidsorbent polymers may also be included in the compositions. The water aliserbent polymers provide a Swelling effect when brought into cOntact with water and thus may advantageously be included to impart a volumiAng died to the eyelashes. When these polymers are included, a method of vol mixing the eyelashes will include the steps of first applying the composition to the eyelashes as described herein followed by a second step of wetting the eyelashes. Water absorbent polymers include crosslinked partially neutralized poly(acrylic acid), polyacrylamider, poly(ethylene oxide), poly(vinyl alcohol), sodium carboxymethylcellulose, sodium alginate, or any combinations thereof, Other suitable water-absorbent polymers include, but are not limited to, sodium TM
acrylate (e.g. AQUA KEEP, distributed by Kobo Products, Inc.) and acrylamideisodium TM
acrylate copolymer (e.g. WATER LOCK G series and WATER LOCK A series, distributed by Grain Processing Corp.).
Cationic polymeric film-formers are also contemplated to betiselid. Mention may be made of the cationic polymeric film-former Polyquaternium-7 which is a quatermui ammonium salt of a acrylamideldimethyl dially1 ammonium chloride copolymer sold under the tradename SALCAREV Super 7 (marketed by Ciba Specialty Chemicals, Other suitable cationic polymers include, but are not limited to, POlyquatemium-4, Prilyquaternium-5, PalyquaterniuM-6, Polyquaternittro-7, Pely4uaternitun-10, Po1Yotuateraium-Polyquaternium-Pi Polyquaternitun-47, or any combination thereof, The compositions may MO include oil-resislam film-forniers. Suitable oikesiStant Itim formers include, but. are not limited to, acrylics (ambles), polyacrylates, actylamide polymers and copolymers and quaternary salts thereof, urethanes, polyurethanes, polyesters, polysaccharides, polyamides, polyols, polyethers, cellulosics, proteins, polyamino acids, esters derived from rosin, latexes, or any combinations thereof.
Silicone resins may be included as binders or film-formers in the compositions. One class of silicone resin contemplated to be especially useful are the silicone resins having tertiary connectivity of siloxy units (i.e., a T-resin). Such silicone 1-resins comprise alkyl and/or aryl siloxy groups, but preferably include aryl siloxy groups such as phenyl siloxy groups, in order to increase the refractive index of the resin. An example of such a resin is methyl phenyl silsesquioxane or polyphenyl silsesquioxane. Other suitable silicone T-resins include, without limitation, the C2-2o alkyl phenyl silsesquioxane resins described in U.S.
Patent Pub. No. 2004/0180011.
Propyl phenyl silsesquioxane resin (Wacker Belsilt) SPR 45 VP, available from Wacker Chemical, Adrian, Mich.) is contemplated to be particularly useful. This polymer has a refractive index of 1.55 when measure as a liquid at 82 C and a refractive index of 1.57 when measured as a film at 25 C. By employing resins having a high refractive index, e.g., greater than 1.47, high gloss will be imparted to the eyelashes.
Plasticizing agents may also be included in the compositions. Suitable plasticizing agents include without limitation glycols and glycol derivatives (ethers and esters), acid esters, such as citrates, phthalates, adipates, carbonates, tartrates, phosphates and sebacates;
and oxyethylenated derivatives such as oxyethylenated oils (e.g. castor oil and silicone oils).
Other viscosity modifying agents or gellants may be used in the dry mascara formulation. These include bentone, triglycerides, aluminum stearate, C18-C36 acid glycol esters, glyceryl stearate, glyceryl tribehenate and the like. Solid gellants, including but not limited to fatty acid gellants, esters and amides of fatty acid gellants, hydroxy acids, hydroxy fatty acids, and other types of amide gellants are contemplated to be suitable. Particular mention may be made: or ester-terminated poly(ester,amide) gellants, = Other viscosity modifying agents or gaols include alginates, carbomets, celluloses, gums, carageenans, starches or silicates, and the like.
The compositions of the invention will typically comprise one or more coloring agents. Suitable coloring agents, including pigments, lakes, dyes, and inks are well known in the art and are disclosed in the C.T.F:A. Costnetic Ingredient Handbook, First Edition, 1988.
Organic pigments include, tbr exaMple, carbon piarnents. FD&C dyes, D&C dyes, including D&C Red; Nos. 2, 5, 6, 7, 10, 11, 12, 13, 30 and .34, 'MC Yellow No: 5, F.D&C tittle No. I, and Violet No.
2. Other colorants include FD&C Red No. 3; FD&C Red No. 40 (Altura Red AC), FD&C Red No. le.), FD&C Red No. 9, FD&C Red No. 21, FD&C Red No. 27, FD&C Red No. 13, FD&C Red No. 7, FD&C Red No. 6, FD&C Red No. 30, ED&C Red No. 36, .FD&C Orange No. 4, FD&r, Orange No, 5, FD&C Orange No. 10, FD&C. yellow No. 5, FD&C Yellow No, 6, FD&C green No. 5, and mixtures, th.ereof. Exemplary inorganic pigments include, but are not limited to, metal oxides and metal hydroxides such as magnesium oxide, magnesium hydroxide, calcium oxide, calcium hydroxides, aluminum oxide, aluminum hydroxide, iron oxides (4-Fe203, y-Fe203, Fe.A, Vet)), red iron oxide, yellow iron oxide, black iron oxide, iron hydroxides, titanium dioxide, titanium lower oxides, zirconium oxides, chromium oxides, chromium hydroxides, manganese oxides, cobalt oxides, cerium oxides, nickel oxides:
and zinc oxides and composite oxides and coniposite hydroxides such as iron Mamie, cobalt titanate and cobalt aluminate. Other suitable colorants, include ultramarine blue (ie., sodium altiMinum silicate containing Sulfur), Prussian blue., inangantSe.yiolet, bismuth oxychloride, talc, mica, sericite, magnesium carbonate, calcium carbonate, magnesium silicate, aluminum inagnesiuth silicate, silica, titanated mica, iron Oxide titanated mica, bismuth oxythloride, and the like.
The colorants may be surface modified with, for example, fluoropolymers, to adjust one or more characteristics of the colorant as described in, for example, U.S.
Patent Nos.
6,471,950, 5,482,547, and 4,832,944.
The pigment and/or fillers may be coated with fluorosilanes to improve water and/or oil resistance, as described in U.S. Patent No. 6,315,990.
The colorant may be present in any amount necessary to deliver the desired effect.
Possible colorant loadings would range from about 0.001% to about 95% by weight of the composition, more typically from about 0.001% to about 50% by weight, or from about 0.01% to about 25% by weight of the composition. In other embodiments, the cosmetic compositions may be clear and thus will not comprise colorants.
The compositions may also contain coloring polymers which comprise chromophores grafted onto polymer chain or which comprise copolymers comprising coloring monomers.
Suitable polymeric colorants include without limitation those described in U.S. Patent No.
4,804,719; U.S. Patent No. 4,999,418; U.S. Patent No. 5,030,708; U.S. Patent No. 5,032,670;
U.S. Patent No. 5,043,376; U.S. Patent No, 5,102,980; U.S. Patent No.
5,106,942; and U.S.
Patent No. 5,194,463.
Pearlescent agents can be present in the composition at about 0 wt % to about 50 wt % based on the total weight of the composition. Suitable pearlescent agents include mica coated with titanium oxide, with iron oxide, with natural pigment or with bismuth oxychloride, such as colored titanium mica. Suitable pearling pigments include without limitation bismuth oxy-chloride, guanine and titanium composite materials containing, as a titanium component, titanium dioxide, titanium lower oxides or titanium oxynitride, as disclosed in U.S. Patent No. 5,340,569.
Preferably, the pearlescent agents are present at about 1 wt % to about 20 wt %
based on the total weight of the composition.
In some embodiments, it may be desirable to include glitter agents in the composition to achieve unique visual effects. Non-limiting examples of such glitter agents include coated/treated polyethylene terephthalate and titanium dioxide coated mica. A
non-limiting example of such a coated/treated polyethylene terephthalate is available from Glitterex Corp.
under the tradename 0.008" square Dark Gold poly*flake. A non-limiting example of a titanium dioxide coated mica is available from Presperse Inc. under the tradename Flonac ME
C. Other materials useful as glitter include particles of metal, such as aluminum, copper, 10 silver, gold, and brass, particles of transparent or colored, solid organic materials, including poly(ethylene terephthalate), polymethacrylate, and poly(vinylbutyral)), and particles of metal coated film or paper, such as aluminum coated poly(ethylene terephthalate) film, to name a few.
Interferential goniochromatic pigments may also be included to impart iridescence, as described in U.S. Patent Pub, 2004/0076650.
Such pigments are commercially available under the trade names Such Infinite TM TM
Colors (Shiseido), Sicopearl Fantastico (BASF), Colorstream (Merck), Colorglitter (3MTm) and Chromaflair (Flex). Interferential fibres may also be include, as described in U.S, Patent No. 5,472,798. Other components that impart a desired visual effect to the eye lashes may be added.
The dry cosmetic formulation may also optionally include fillers. The term "fillers"
should be understood as meaning colorless or white, inorganic or synthetic, lamellar or non-lamellar particles. Fillers include silica, polymethylmethacrylate (PMMA), alumina, barium sulfate, talc, zinc stearate, mica, kaolin, nylon powder, polyethylene powder, Teflon, starch, boron nitride, or the like. Fillers may be in a concentration of from about 1%
to about 50%
by:Wght, 'hot about 1% to about 20% or from about 1% to about 10% by weight.
Suitable fillers also include copolymer microspheres such as EXPANCEL (Nobel Industries), TM TM
POLYTRAP (Dow Corning), and silicone resin microbeads (TOSPEARL from Toshiba).
The compositions of the present invention may optionally comprise a plurality of fibers dispersed therein in order to enhance the volume of the eyelashes, i.e., increase thickness and length thereof. The fibers linty be Of any type known in the cosmetic art and may be natural or. synthetic: Thermoplastic fibers, such as those Of polyethylene, polypropylene, or nylon, ate preferred..
In addition, the compositions may include conditioning agnts and emollients/moisturizing agents. Conditioning agent may include, without limitation, algae extracts, wheat amino acids, wheat protein, hydrolyzed vegetable protein and derivatives, keratin amino acids, serum protein, yeast extract, hydrolyzed mucopolysaccharides, hydrolyzed animal protein, chitosan, phytantriol, hydrolyzed corn protein, hydrolyzed soy protein, hydrolyzed silk, silk amino acids, and mixtures themof.
Emollient/moisturizing oils that can be incorporated in the composition of the invention include, without limitation, jojoba oil, lanolin oil, coconut oil, palm kernel glycerides, grape seed oil, evening primrose oil, sesame oil, castor oil, meadowfoam seed oil, emu oil, dimethicone copolyol meadowfoamate, Wheat germ oil, macadamia ma oil, avocado oil, and mixtures thereof.
Other emoillients include ceteatyl ocianoateõ octyl palmitate, buql ene glycol, propylene glycoL glycerin, glycei*monostearate,.petrolatum, caprylic trigyleeride, optic it-4*er*, shae butter, and silicone oil.
The eonipaSitionS May further include- One: or moreadditional. components selected from the group Consisting of anesthetics, anti-allergenics; antifungals anti-inThunmatories, antimicrobials, antiseptics, cheating agents, emollients, ettulsifierS, fragrances, huineetants, lubricants, masking agents, medicaments, moisturizers, pH adjusters, preservatives, protectants, soothing agents, stabilizers, sunscreens, surfactants, thickeners, viscosity control agents, vitamins, pigments, bioactives, and any combinations thereof.
In currently preferred embodiments, the cosmetic compositions comprise Acronal V
215 (BASF), which is an aqueous dispersion of a polymer based on acrylic ester, ink comprising phenolic resin and cellulose derivatives dissolved in Dowanol and/or ink comprised of pigments/dyes in solutions of acrylic, vinyl & cellulose derivatives dissolved in water, and optionally carbon black as a colorant.
The cosmetic composition may be applied to the backing layer by any suitable means, including methods conventionally employed to make cosmetic "samplers." For example, bulk thin film application techniques such as extrusion or spray technology have been used to make cosmetic samples, as described in U.S. Patent No. 6,691,872.
. Such techniques permit the cosmetic composition to be uniformly distributed over the surface of the backing layer. Additionally, the present invention may be produced via industrial printing processes, by industrial printers which include but are not limited to Redd Europe, Main Titles, and LetraSet or by medical adhesive TM
and tape manufacturers such as Mactac, Scapa Group Plc, Adhesives Research Ltd, and Tape Specialties amongst others.
In other embodiments, the cosmetic composition is printed onto the backing layer.
Methods for printing cosmetics onto substrates are also generally known, as disclosed in, for example, U.S. Patent No, 5,192,386.
The printing process permits the cosmetic composition to be precisely deposited on the substrate in desired quantities and patterns. Further, with a printing process, the product may be printed with two or more different colors of cosmetic to provide unique effects when applied to the eyelashes.
Additionally, patterns tnay be mixed and matched with each other or with any of the.
aforementioned shapes, lines, or other configurations contained within. Such combinations could be applied either in a single application event, that is On opposing sides of the same sheet or in two or more single events applied sequentially. For example, the first ;application could deposit circles on the eyelashes and -then the next application could deposit complete lines, broken lines, or a shape Or set of shapes differing from the first application.
Referring to Figure 1, non-limiting examples of the types of effects that can be achieved. are illustrated. In one principle embodiment, the product may comprise a uniform coating of color mascara such that when applied to the eyelashes, the color mascara transfers to the lashes in a relatively even fashion to give a look comparable to a convention mascara .product The mascara composition may be applied to the topside of the lashes, the underside of the lashes, or both.
Figures 1 and 14 also illustrates certain graphic effects that can be achieved, for example, by printing two or more colors onto the backing layer. Of the numerous variants according to this embodiment, special mention may be made of those wherein a color gradient is applied to the backing layer such that when the cosmetic composition is transferred to the eyelashes, a color gradient is formed on the lashes. The color gradient may he applied along the long axis of the backing layer (i.e., along the line IA) so that a color gradient is formed from the root of each lash to the tip of the lash, or the color gradient may, be formed from left to right across the backing layer (i.e., perpendicular to line 1-1) so that a color gradient is established from the left to the right across the lashes.
Rather than a aadient of colors similar effects could be achieved using two or more colors in diSCZ*
bands such that, for example, the portion of the lash nearest the root is one color and portion nearest the tip is a different color, W. There is Osentialiy no limit to the aesthetic effects which can be achieved,. including without limitation, rainbow patterns, wave patters', and sun rise; patterns, to name a few.
As shown in Figures 1 and 14, the backing layer may. further comprise a plurality of self-adhesiye micro dots, which can be use alone, or in combination with a cosmetic composition. The micro dots themselves may Comprise the dry cosmetic composition or may be made of a polymeric material or the like, and will typically include an adhesive to facilitate transfer to the lashes. The micro dots may be configured in any pattern, the dots may be uniform in size or vary in size and shape as well as be positioned in an spatial orientation necessary to achieve a specific or desired effect. Said micro dots may form complete lines, broken lines, any of the aforementioned larger shapes, or any design that may be .printed by one or more of the previously listed printing, techniques.
Referring to Figure 9, a non-limning example presents the present invention as an array of micro dots. The micro dots may be any size but are typically, though not necessarily, from about. 10 um (microns) to about 2. mm in diameter, more typically from about 50 um to about 1 mm, or from about 500 urn to about 0.5 mm in diameter.
The plurality of micro dots may be the same color or may be different colors. it has been found that a thickening effect is obtained when the dry mascara product is in the form of micro dots, particularly if the micro dots are of suitable size to be supported on more than one lash.
Also illustrated in Figure 1 is the use of a clear composition to impart to the lashes a matrix,. which holds and separates that lashes. 'The clear composition may comprise a clear adhesive polymer, for example, which is printed' onto the backing layer in a pattern, such as a plurality of rOtvt. When the composition transferred to the lashes, the row of clear composition are disposed substantially perpendicular to the lashed to form a matrix, !Alternatively, the clear composition may be applied as a uniform film over the backing layer, In this manner the entire length of the lashes, or a portion thereof, is encased in the polymeric film. The film may be dimensioned such. that it extends slightly beyond the tips of the lashes'=
to provide a continuous "hard" edge or may be dimensioned such that the tips of the lashes extend beyond the edge to provide an edge having a "feathered" appearance, Furtherrnore, the present invention may take the form of lines or similar patterns as depicted in Figure 3 such that the tips of the lashes are extended to impart a lengthening to the eyelashes.
In another principle embodiment, a method for the application of a dry mascara formulation to eye lashes is provided, comprising contacting the eye lashes with a dry mascara formulation which is deposited on a carrier substrate, and optionally varying the temperature. of the mascara or applying pressure, light or a combination thereof, to the eye lash and mascara formulation to adhere the mascara formulation to the eye lash. In one embodiment, .pressure is applied to the mascara formulation and substrate. In another embodiment, heat is applied to the mascara formulation and substrate when they are in contact with the eye lashes. In another embodiment, the dry mascara formulation is exposed to light when it is in contact with the eye lashes. In an alternate embodiment, the mascara is adhered to the eye lash by holding the formulation in contact with the eye lash for a period of time, without the application of pressure, heat or light. The carrier substrate is not a conventional brush applicator for applying mascara. In one embodiment, the carrier substrate is a thin film material. In one embodiment, an application tool is used to transfer the dry mascara formulation to the eye lashes. The application toot incorporates the dry mascara formulation on one or two surfaces that are brought into contact with the eye lashes. Figure 1 and Figure 2 depict examples of application tools that have the dry mascara formulation incorporated on 4 surface that is placed in contact with the eye lashes.
The method of applying mascara enables mascara with various Patterns, designs or effects to be applied to the eye lash to achieve a desired eye lash appearance. The desired pattern or effect may be applied selectively on the top surface of the eye lash or on the underside of the eye. lash with the present invention. In one embodiment, mascara with a desired colorant pattern is applied to the eye lash, Figure 4 depicts several color patterns or gradients, which are possible with the present invention. hi another embodiment, mascara with small graphics or illustrations are applied to the eye laSb. In another embodiment, mascara with a reflective substance such as glitter is applied to the eye lash. Figures 6 illustrates the eye lashes with mascara that contains glitter. The finish of the mascara product of the present invention, by way of non-limiting examplet could be mart, semi-mitt, gloss, semigloss and combinations thereof. In another embodiment, mascara with desired visual effects such as a rigid "hard lash" effect (yr with a "black -matt dot"
pattern is applied to the eye lashes. Figure 5 :displays eye lashes with a 'hard lash' effect Figure 6 illustrates eye lashes with a 'black matt dot" patter. in another embodiment; mascara with individual elements, such as "matt black dots", may be applied, to the eye lashes. The method allows for easy control of the amount of mascara to be applied to the eye lashes by controlling the amount of drv mascara deposited on the carrier substrate. The present invention is capable of imparting definition, length, visual effects, including holography, and volume or combinations thereof Additionally, eyelashes with a light or thick coating of mascara are easily achieved using the invention.
Figure 10 illustrates one embodiment according to the invention wherein a plurality of cosmetic microdots and an adhesive are disposed on a transfer sheet backing layer. A
backing sheet, CMOs the product and is removed to expose the adhesive and cosmetic microdots. When the exposed adhesive is pressed. against the eyelash, it adheres to the eyelash and transfers the microdot from the transfer sheet backing layer onto the eyelash.
The microdots are only weakly bound to the transfer sheet and are thus readily transferred with the adhesive to the eyelash.
In one interesting embodiment, the product may have pressure sensitive ink on the.
iltce of the transfer layer opposite the cosmetic, as illustrated in Figure 11. The pressure sensitive ink will change colors when sufficient pressure has been applied to transfer the cosmetic onto the eyelashes, and thus serves as an indicator that the product has been successfully and unitbrmly applied. In another embodiment, the product may employ a tactile cue such as raised protrusions altering the transfer layer to alert the consumer when sufficient pressure has been applied to transfer the cosmetic onto the eyelashes.
It has been found that certain patterns of printed cosmetic are superior for obtaining uniform coverage and good transfer of the cosmetic onto the eyelashes. As shown in Figure 12, the efficiency of transfer is relatively low for lines of cosmetic (printed along line I-1) because the eyelashes may not: align on pitch with the cosmetic lines. Tilted hexagon patterns of hexagonal dots are contemplated to have superior adhesion efficiency to the eyelashes.
The invention is not limited, however, to any particular pattern of printed cosmetic.
Exemplary applicator devices according to the invention are illustrated in Figure 13.
In embodiment "a' the folded product is loaded into a recess formed between two rigid plate-like members, which may have a slightly arched configuration according to the contours of the eyelids. In operation the user applies force to a lever, which brings together the plates to provide the necessary pressure to transfer the cosmetic to the eyelashes. It is contemplated that any such lever-actuated mechanism will be suitable for generating sufficient pressure to transfer the cosmetic to the eyelash, in embodiment "b," also illustrated in Figure 13, the product is held in an internal recess of a, Stick-type device. The recess is formed between a terthinal end of the device and the edge Of a solid member slidably disposed in the 4.erio;
such that the skiable member may be moved toward the terminal end of the Mike, by pressure from the thumb or the like, to engage the product and create sufficient pressure to transfer the cosmetic to the eyelashes. However, it will be understood that no special applicator device is required, and that the. product .may be; employed simply by .squeezing between the tbrefinger and thumb, etc, it. will be understood that the terms "backing" and "transfer" when used to modify the "sheet" or "la?,,,er" are not intended to limit the product configuration, but rather are used to assist the reader in understanding the non-iimiting embodiments shown in the drawings.
The invention enables mascara with various patterns, designs or effects to be easily and effectively applied to the eye lash to achieve a desired eye lash appearance. Furthermore, patterns and designs may be super imposed upon one another to deliver dimensional effects.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1. Figure 1 depicts the application tool pressed against a set of eyelashes with the eyelashes disposed over the surface of the applicator, such that when a cosmetic composition or other composition is present on the surface of the applicator, it is transferred upon the application of pressure, to the eyelashes. Various non-limiting effects which are achievable are also illustrated.
Figure 2, Figure 2 shows an example of one possible application tool fir the application of a dry mascara formulation.
Figure 3, Figure shows various dry mascara patterns that may be deposited on a carrier substrate.
Figure 4. Figure 4 shows various mascara effects that may be accomplished by the dry mascara formulation and method of application.
Figure 5. Figure 5 illustrates a range of eye lash coverage and special effects that may be accomplished by the dry mascara formulation and method of application.
Figure 6. Figure illustrates eye lashes with mascara that incorporates a glitter material.
Figure7. Figure 7 illustrates one embodiment of a simple layer system for delivering mascara according to the invention.
Figure 8, Figure 8 illustrates one embodiment of a mascara delivery system according to the invention.
Figure 9. Fiore 9 shows two scanning electron microscope (SEN) scans of one possible configuration of dots. The scan on the right is a magnification of one of the dots in the scan to the lefi. The dots are approximately 0.2 mm (or 200 um) in diameter.
Figure 10. Figure 10 illustrates one embodiment according to the invention wherein the product is provided with a backing sheet and a transfer sheet, wherein the cosmetic product is sandwiched or housed between these two layers. The backing sheet and transfer sheet are pulled in opposing directions such that the backing sheet is peeled away, and upon removal exposes an adhesive layer bearing a plurality of microdots; On contact with an eyelash, the adhesive adheres to the eyelash and affixes thereto the microdots. The transfer sheet is then pealed away from the eyelash leaving the microdots deposited on the aforementioned eyelash Figure 1L Figure 11 illustrates one implementation of a product according to the invention which comprises a folded sheet having disposed on at least one inner surface a cosmetic product. The product may comprise a pressure sensitive ink on the outer surface which indicates when sufficient pressure has been applied to transfer the cosmetic to the eyelashes.
Figure 12. Haire 12 illustrates various patterns in which the cosmetic composition may be applied or printed onto the product. As illustrated, tiled hexagon patterns of hexagonal "dots".provide for the most efficient transfer to the eyelashes, whereas:
lines of cosmetic are less efficiently transferred.
Figure 13. Figure 13 illustrates two embodiments of applicator devices according to the inventions In embodiment "a" the product is loaded into a recess kmed between two rigid plate-like members, which may have a slightly arched configuration according to the contours of the eyelids. In operation the user applies force to a lever which brings together the plates to provide the necessary pressure to transfer the cosmetic to the eyelashes. In embodiment "b" the product is, held in a recess formed between a terminal end (-lithe device.
and the edge of a solid member slidably disposed in the device, such that the slidable member may be moved toward the terminal end of the device to engage the product and create sufficient pressure to transfer the cosmetic to the eyelashes, Figure 14. Figure 14 illustrates four embodiments of the invention, wherein the cosmetic product: is disposed on the backing layer as a plurality Of microdots, a color gradient along line 14, a color gradient perpendicular to line I-1, and a plurality of lines along line DETAIL:v:0 DESCREPTION OF THE NVENBON
The present invention provides new compositions and products for applying cosmetics to the eyelashes and methods for applying the compositions to the eyelashes The products comprise,.comptiCs for the eyelashes (e.g,, mascara) that differ from conventional cosmetics of this type in that they are provided in a substantially solid form. Compositions of the present invention will come to the consumer as a peel and stick type product. Such compositions may employ powders, solid, semi-solids, or combinations therea but are not viscous liquids or pastes like conventional mascara products.
In a further departure from conventional products the present invention may be produced by one or more printing processes. That is the present invention may be a printed pattern of virtually any dimension and or design. Furthermore, the present invention may consist of or manifest :itself as a single dot or set of dots combined to deliver a desired effect.
The term dot shall be used as a general descriptive term from this point forward, however the term dot may represent a myriad of possible shapes. For example, shapes would includ.e but not be limited to (Aides, triangles, stars consisting, of at least two points, squares; rectangles, rhombohedrons, pentagons, hexagons, octagons and so on. The printing processes include but are not limited to lithographic pres';s, flexography, xerographic or laser printing, release coating, digital print, ink jet format, and totograyttre or screen printing.
The compositions of the present invention are considered to be instant, that is no manipulation or drying time is needed to gain the desired effect.
The compositions and methods of the present invention may be realized, for example, in the following manner. Referring now to figure 7, one embodiment of the product of the present invention can be described aS a simple layer system. The inventive cosmetic product may be comprised of a backing film or protective layer upon which an adhesive layer has been placed. The next layer would be the colorant or printed image being fully incorporated or embedded into the aforementioned adhesive layer and the final layer would be a transfer film material made of a suitable material, such as paper, plastic, or a combination thereof_ In this configuration, the backing layer serves as a disposable substrate to protect the adhesive front contamination or premature dry-out prior to use. The adhesive is employed to adhere the colorant or printed image onto the eyelashes as well as affix the cosmetic composition to the backing film and the transfer film prior to use. The transfer film holds the cosmetic composition and acts as an applicator of sorts for applying the composition to the eyelashes.
The transfer film is then peeled away after the composition is positioned and the adhesion mechanism is tringered. The cosmetic composition may be applied to the adhesive/backing material by any suitable method such as printing or the like and may be provided as uniform coating or may be disposed thereon. in a pattern.
Typically, the backing film acts as a protective shield for the adhesive, It comprises materials that have some affinity for the adhesive such that the adhesive sticks to the backing film, but that the Nicking film IS easily teititived The transfer film or sheet serVeS as an anchor for one side or a portion of the cosmetic composition prior to use.
Additionally, the adhesive is used to affix the CoSitetie composition to the eyelashes upon uSe and is typically a pressure sensitive adhesive, which provides sufficient stihstantivity to hold the cosmetic:
composition on the eyelashes for as long as the effect is desired by the consumer.
The product will typically also comprise a backing film of thin plastic or paper material, preferably transparent plastic such as clear polypropylene Or Mylat.
, which covers and protects the cosmetic composition prior to use. The backing film should be removable by peeling without substantially disrupting the composition. The covering layer may be held in place by adhesive On the periphery or corners of the backing layer or by any other suitable means.
Referring now to figure 8, one embodiment of the product of the present invention can be described in greater detail as a more complex layered system. The carrier layer or .protective non-stick layer is in direct contact with the adhesive layer or layers. This carrier layer may be a material such as blaxially-orientated polyethylene terephdialate polyester film (Mylar1), in direct contact with the adhesive layer opposite to the carrier may be a sealing layer to protect the colorant or printed pattern layer. A suffice preparation layer comprising polyvinyl alcohol, polyvinylpyrollidone, gelatine or combinations thereof and a second sealing layer sandwiches the patterned ink or colorant layer in. These sealing layers may be a varnish comprised of a drying oil, a resin and a solvent. Next is a release coating layer comprised of non-stick silicone or mixtures of silicones which allows the composition to separate from the backing or second carrier. An optional sizing agent may be employed to modify the stiffness or texture of the backing or second carrier which is comprised of paper, plastic or a combination thereof, Both carriers are designed to peel away, the first carrier is protective in nature and when removed eNpOses the adhesiw that anchors the composition to the eyelashes. The second carrier acts as an applicator or sons and is peeled away after the composition is secured to the target substrate in this case the eyelashes.
To apply the:composition to tho eyelashes,. the user Ili% removes the protective layer from the product:, if present, to expose the cosmetic composition. The backing layer is then folded over the eyelashes such that the composition is deposited On the top and/or bottom of the lashes, as illustrated in Figure 2. The backing layer may be provided with perforations or folds roughly in the middle of the sheet to facilitate folding. The composition transfers from the backing layer to the lashes on contact therewith, preferably through the application of pressure, such as by squeezing the folded backing layer with the fingers or with a specialized apparatus adapted to receive the folded product. Optionally, the backing layer, application tool of the composition itself may contain an indicator to alert the user as to when the appropriate conditions have been achieved for adequate deposition. Said indicator may manifest itself by a visual or tactile mode The transfer may by improved by the application of heat, which is contemplated to reduce the force needed to remove the composition from the backing layer and transfer it onto the lashes, The product may be pre-heated using a hairdryer or the like or the specialized apparatus mmiy. be adapted to heat the backing material during application. The backing material is then removed from the lashes by releasing the applied pressure. Optionally, the product or the lashes may be wetted to assist in removal.
The invention described herein avoids the disadvantages of conventional mascara formulations and application techniques by applying a dry mascara formulation to eye lashes using a new dry transfer method of application. The dry mascara application method described herein does not include the use of a conventional brush applicator to apply wet or moist mascara formulation by brushing the eyelashes. Further, the invention enables a wide variety Of aesthetic effects (pattop, designs etc.) which are difficult or not .posSible with conventional mascara, The adhesive may also be infused within or make up part of the cosmetic composition or a combination of sprayed on the composition as well as being infused with or make up part of the composition.
Referring now to Figure 1, one embodiment of the product of the invention is illustrated with eyelashes superimposed over the lower portion thereof. There is essentially no constraint on the shape of the backing layer, although at least one edge is preferably provided with a concave curvature substantially matching the curvature of the eyelid such that when the product is placed against the lashes, maximum coverage is obtained, as illustrated in Figure 1. The opposing edge of the product may also be similarly configured such that when the product is folded over to encase the lashes, the top and bottom of the lashes each receive maximum coverage.
The backing layer may be composed of any suitable material such that it can be folded without breaking, including without limitation, polypropylene, acetate, polystyrene, or paper. In a currently preferred embodiment, the backing layer is a clear, flexible material.
The backing layer may be coated or laminated with an adhesive layer to improve adherence of the cosmetic composition thereto. Any adhesive that is suitable for cosmetic or medical use may be used. Adhesives include but are not limited to silicone adhesives, natural rubber adhesives, styrene/butadiene latex-based adhesives, butyl rubber and polyisobutylene adhesives, acrylic adhesives, vinyl ether adhesives, glues, bioadhesives, thermoplastic adhesives, thermosetting adhesives, elastomers, reactive adhesives, and the like. The adhesive may be, for example, a pressure sensitive adhesive, including without limitation, a heat or ultraviolet curable polymeric material. Rubber-based adhesives include those described in U.S. Patent Nos. 3,289,478.
Acrylic adhesives include those described in U.S. Patent No. 3,008,850 and U.S.
Patent No. 3,924,044. The adhesives may further comprise a tackifying agent to adjust the adhesive properties. Acrylic pressure sensitive adhesives include those available from 3MTm under the trade designation 3MTm 9472 laminating adhesive.
The adhesive may be applied uniformly over one surface of the backing layer or may be printed on the backing layer in a pattern or design such that when the cosmetic product is deposited on the backing layer, it adheres predominantly to the adhesive and thus mirrors the printed pattern of the adhesive. In this manner a wide variety of aesthetic effects are achievable.
A key component of the inventive products is the cosmetic composition which is provided on the backing layer in substantially dry form. The cosmetic composition may comprise any ingredients conventionally included in cosmetic products, particularly mascaras, with the proviso that the nature of the ingredients and/or the amounts employed are selected such that the finished cosmetic product is substantially dry. Thus, the cosmetic compositions may include colorants (pigments, lakes, dyes, and inks), pearlescent agents, glittering agents, fillers, film-formers, emollients, humectants, surface-active agents, oils, solvents, thickeners, structuring agents, viscosity modifiers and the like.
The dry cosmetic composition may include an adherent (binder) component, which promotes the transfer of the dry mascara formulation from the substrate to the eyelashes and fixes the cosmetic composition to the eyelashes. Suitable adherent components include, but are not limited to solvents, oils, adhesives, waxes, resins or other materials that impart cohesive properties to the dry mascara formulation.
Solvents used in the production of the cosmetic product of the invention may be either volatile or non-volatile. Such solvents may be present in a residual capacity in the finished product but it should be stated that the overall composition is in the dry or solid form. That is the solvents would not be capable of flowing under ambient conditions in the final product configuration. Volatile. solvents = include but are not limited to organic solvents such as.
hydrocarbon solvents, alcohols and silicone solvents. Particular mention may be made of eye:1.01nd hi cones, such as for example, he.x.amethy !eye otri siloxane, octametbylcyclotetrasiloxane, decame thy lc yclopentasi lox ane and volatile 'linear dimethylpolysilaxanes. Nonvolatile silicone oils, both water soluble and water insoluble, are also contemplated to be suitable. Preferred non-volatile oils are high-molecular silicones such as dimethyl polysiloxane (dimethieono, phenyl trimethicone, .diphertyl dimethicone.
Suitable water insoluble silicones include amine functional silicones such as amodimethicone; phenyl substituted silicones such as hisphenvlheKamethicone, phenyl trimethiconeõ or polyphenyhnethylsiloxarte; dimethicone; alkyl substituted dimethicones; or mixtures thereof Other solvents or vehicles include, but are not limited to, water, lower alcohols, fatty alcohols, fatty ethers, thtty esters, isododecane, polyols, glycols, liposomes., laminar lipid materials, or any combinations thereof, -Polybutene and polyisobutene are also contemplated .to be useful. When present, the solvent or vehicle will typically comprise from about 0.001 % to about 20% by weiiiht, preferably from about 0.01% to about 10% by weight, more preferably from about 0.01% to about 5% or from 0.1% to about I%
by weight of the dry cosmetic composition, In some embodiments, the cosmetic compositions are substantially free of solvent, meaning they comprise less than about 1% by weight solvent, preferably less than about 0.5% by weight 2() Waxes may be used as binders. in the composition. or may be employed to provide structure to the composition. Waxes that may be used in the dry .cosmetic formulation .comprise animal waxes, vegetable Waxes, mineral waxes, variOus frar.OUS of natural waxes, synthetic waxes, petroleum waxek=ethylenic polymers hydrocarbon wake$ such as.fischer-Tropsch wakes; silicone waxes and mixtures thereof. In particular, Wakes used in the dry mascara formulation include but are not limited to beeswax, carnauba wax, candelitla wax, paraffin wax, lanolin wax, shellac wax (animal waxes), bayberry wax (vegetable waxes);
ozokerite wax, ceresin wax, microcrystalline waxes (petroleum waxes), polyethylene, Fischer-Tropsch waxes, alkyl methicones (silicone waxes), ceresin wax, bran wax, rice wax and jojoba wax and mixtures thereof.
Synthetic waxes also include, for example, polyethylene glycols such as PEG.-I8, PEG-20, PEG-32, PEG-75, PEG-90, PEG-100, and PEG-I 80 which are sold undet the tradename Carbowax (The Dow Chemical Company), Mention may be made of Carbowax 1000 which has a molecular weight range of 950 to 1,050 and a melting point of about 38T, Carbowax 1450 which has a molecular weight range or about 1,305 to 1,595 and a melting point of about 56T, Carbowax 3350 which has a molecular weight range of 3,015 to 3,685 and a melting point of about 56T, and Carbowax 8000 which has a molecular weight range of 7,000 to 9,000 and a melting point of about 61 C. Wax-like materials that are a natural or synthetic resins or resin derivatives, such as rosinate esters, hydrogenated rosinate esters, polyamide resins, rubber, and latex are also contemplated to be suitable.
When present, waxes will typically, though not necessarily, comprise about 0,001% to about 90% by weight of the cosmetic composition. More typically, waxes will comprise from about 0,001% to about 50%, or from about 0.001% to about 20% by weight of the cosmetic composition.
Polymers, co-polymers or terpolymers may also be used as binders or film-forming 2() .agents in the cosmetic compositions. The polymers, co-polymers or terpolymers used may be water-soluble or water-insoluble polymers and may be natural or synthetic.
Specific examples Of polymers include hydrogenated polYoyclopentadiene, latex-based polymers or co-polyrners, diethyl phthalate, polyvinyl pyrrolidone (PVP), polyethylene, polypropylene, polydialkylsiloxane polymers, ethylene/propylene copolymer, PVP/eicosene copolymer, poly carboxylic acid based polymers including alkyl acrylate or (meth)acrylatos, acrylic lteid (ineth)a4le acid or aerylamide (a, (ineth)acrylamide polymers.
or co-polymers; polyvinyl esters, polyvinyl alcohols, olefin oxide polymers snob as polyethylene oxide or polypropylene oxide; polyisobutylene, polyisoprene, polybutadiene, polyvinyl chloride, polychlompreneõ .polyacrylonitrile, imide polymers, urethanes or polyurethanes, nylon polymers, polystyrene, polyterpenes and co-polymers thereof Natural polymers include cellulose derivatives, &gin and its derivatives, starch and its derivatives, oar and its derivatives and shellac polymers. The polymers may be present from about 0.1%
to about .50% by *tight, more typically from about 1% to about 10% by Weight, tithe dry:
cosmetic .composition.
The cosmetic compositions may include film formers that are substantially water-resistant. One such water-resistant film forming polymer is the vinylpyrrolidoneleicosene copolymer sold under the name (lama V-220 (Marketed by 1SP). Other water-resistant film formers inelade polyolefinsõ polyvinylpyrrolidone polymers and copolymers, polyethylenes, polyalkylsõ polystyrenes, triglycerides, epoxy resins, shellacs, and any combinations thereof The composition may also comprise water soluble or water dispersible film formers_ These include, without limitation, .butylated PVP, which is commercially available under the TM
tradename GANEX P-904 (distributed by 1SP), 2-butendoic acid, available as GANTREZ S-97-SF (distdbuted by 1SP), -diglycol/CHOM(cyclohexanedimethanol)iisopthalates/SIP
(sulfoisophthalates) copolymer Which is commercially available under- the name AQ-55$
.(Eastman), acrylic copolymer .emulsion (e.g. COVACKYL Al 5 and cOVACRYL E14;
distributed by LcW), 'actylates/ammonium MethacryititeS .copolYmet in water (e.g.
TM TM
ULTRASOL 2000C, distributed by Presperse), modified starch (e,g. PURE COAT
B793:, TM
distributed by Grain Protessing), .sulfortated poylstyrene (e.g. FLEXAN II, distributed by TM
National Starch), acrylatesiC12-22 alkylmetbacrylate copolymer (e.g. ALL1ANZ
OPT, distributed by ISP), ethylene carl niide/ocrornktontethyl propanesu WankTM
acialmethacrylic acid (e.g. ACUDYNE SCP, distributed by Rohm and Haas.), TM
acxylatesiethythexyl acrylate copolymer (e.g. DA1TASOL SJ, distributed by Dflit0 Kasei Kogyo Co,, Ltd.), or any combinations thereof Water absorbent or supeNidsorbent polymers may also be included in the compositions. The water aliserbent polymers provide a Swelling effect when brought into cOntact with water and thus may advantageously be included to impart a volumiAng died to the eyelashes. When these polymers are included, a method of vol mixing the eyelashes will include the steps of first applying the composition to the eyelashes as described herein followed by a second step of wetting the eyelashes. Water absorbent polymers include crosslinked partially neutralized poly(acrylic acid), polyacrylamider, poly(ethylene oxide), poly(vinyl alcohol), sodium carboxymethylcellulose, sodium alginate, or any combinations thereof, Other suitable water-absorbent polymers include, but are not limited to, sodium TM
acrylate (e.g. AQUA KEEP, distributed by Kobo Products, Inc.) and acrylamideisodium TM
acrylate copolymer (e.g. WATER LOCK G series and WATER LOCK A series, distributed by Grain Processing Corp.).
Cationic polymeric film-formers are also contemplated to betiselid. Mention may be made of the cationic polymeric film-former Polyquaternium-7 which is a quatermui ammonium salt of a acrylamideldimethyl dially1 ammonium chloride copolymer sold under the tradename SALCAREV Super 7 (marketed by Ciba Specialty Chemicals, Other suitable cationic polymers include, but are not limited to, POlyquatemium-4, Prilyquaternium-5, PalyquaterniuM-6, Polyquaternittro-7, Pely4uaternitun-10, Po1Yotuateraium-Polyquaternium-Pi Polyquaternitun-47, or any combination thereof, The compositions may MO include oil-resislam film-forniers. Suitable oikesiStant Itim formers include, but. are not limited to, acrylics (ambles), polyacrylates, actylamide polymers and copolymers and quaternary salts thereof, urethanes, polyurethanes, polyesters, polysaccharides, polyamides, polyols, polyethers, cellulosics, proteins, polyamino acids, esters derived from rosin, latexes, or any combinations thereof.
Silicone resins may be included as binders or film-formers in the compositions. One class of silicone resin contemplated to be especially useful are the silicone resins having tertiary connectivity of siloxy units (i.e., a T-resin). Such silicone 1-resins comprise alkyl and/or aryl siloxy groups, but preferably include aryl siloxy groups such as phenyl siloxy groups, in order to increase the refractive index of the resin. An example of such a resin is methyl phenyl silsesquioxane or polyphenyl silsesquioxane. Other suitable silicone T-resins include, without limitation, the C2-2o alkyl phenyl silsesquioxane resins described in U.S.
Patent Pub. No. 2004/0180011.
Propyl phenyl silsesquioxane resin (Wacker Belsilt) SPR 45 VP, available from Wacker Chemical, Adrian, Mich.) is contemplated to be particularly useful. This polymer has a refractive index of 1.55 when measure as a liquid at 82 C and a refractive index of 1.57 when measured as a film at 25 C. By employing resins having a high refractive index, e.g., greater than 1.47, high gloss will be imparted to the eyelashes.
Plasticizing agents may also be included in the compositions. Suitable plasticizing agents include without limitation glycols and glycol derivatives (ethers and esters), acid esters, such as citrates, phthalates, adipates, carbonates, tartrates, phosphates and sebacates;
and oxyethylenated derivatives such as oxyethylenated oils (e.g. castor oil and silicone oils).
Other viscosity modifying agents or gellants may be used in the dry mascara formulation. These include bentone, triglycerides, aluminum stearate, C18-C36 acid glycol esters, glyceryl stearate, glyceryl tribehenate and the like. Solid gellants, including but not limited to fatty acid gellants, esters and amides of fatty acid gellants, hydroxy acids, hydroxy fatty acids, and other types of amide gellants are contemplated to be suitable. Particular mention may be made: or ester-terminated poly(ester,amide) gellants, = Other viscosity modifying agents or gaols include alginates, carbomets, celluloses, gums, carageenans, starches or silicates, and the like.
The compositions of the invention will typically comprise one or more coloring agents. Suitable coloring agents, including pigments, lakes, dyes, and inks are well known in the art and are disclosed in the C.T.F:A. Costnetic Ingredient Handbook, First Edition, 1988.
Organic pigments include, tbr exaMple, carbon piarnents. FD&C dyes, D&C dyes, including D&C Red; Nos. 2, 5, 6, 7, 10, 11, 12, 13, 30 and .34, 'MC Yellow No: 5, F.D&C tittle No. I, and Violet No.
2. Other colorants include FD&C Red No. 3; FD&C Red No. 40 (Altura Red AC), FD&C Red No. le.), FD&C Red No. 9, FD&C Red No. 21, FD&C Red No. 27, FD&C Red No. 13, FD&C Red No. 7, FD&C Red No. 6, FD&C Red No. 30, ED&C Red No. 36, .FD&C Orange No. 4, FD&r, Orange No, 5, FD&C Orange No. 10, FD&C. yellow No. 5, FD&C Yellow No, 6, FD&C green No. 5, and mixtures, th.ereof. Exemplary inorganic pigments include, but are not limited to, metal oxides and metal hydroxides such as magnesium oxide, magnesium hydroxide, calcium oxide, calcium hydroxides, aluminum oxide, aluminum hydroxide, iron oxides (4-Fe203, y-Fe203, Fe.A, Vet)), red iron oxide, yellow iron oxide, black iron oxide, iron hydroxides, titanium dioxide, titanium lower oxides, zirconium oxides, chromium oxides, chromium hydroxides, manganese oxides, cobalt oxides, cerium oxides, nickel oxides:
and zinc oxides and composite oxides and coniposite hydroxides such as iron Mamie, cobalt titanate and cobalt aluminate. Other suitable colorants, include ultramarine blue (ie., sodium altiMinum silicate containing Sulfur), Prussian blue., inangantSe.yiolet, bismuth oxychloride, talc, mica, sericite, magnesium carbonate, calcium carbonate, magnesium silicate, aluminum inagnesiuth silicate, silica, titanated mica, iron Oxide titanated mica, bismuth oxythloride, and the like.
The colorants may be surface modified with, for example, fluoropolymers, to adjust one or more characteristics of the colorant as described in, for example, U.S.
Patent Nos.
6,471,950, 5,482,547, and 4,832,944.
The pigment and/or fillers may be coated with fluorosilanes to improve water and/or oil resistance, as described in U.S. Patent No. 6,315,990.
The colorant may be present in any amount necessary to deliver the desired effect.
Possible colorant loadings would range from about 0.001% to about 95% by weight of the composition, more typically from about 0.001% to about 50% by weight, or from about 0.01% to about 25% by weight of the composition. In other embodiments, the cosmetic compositions may be clear and thus will not comprise colorants.
The compositions may also contain coloring polymers which comprise chromophores grafted onto polymer chain or which comprise copolymers comprising coloring monomers.
Suitable polymeric colorants include without limitation those described in U.S. Patent No.
4,804,719; U.S. Patent No. 4,999,418; U.S. Patent No. 5,030,708; U.S. Patent No. 5,032,670;
U.S. Patent No. 5,043,376; U.S. Patent No, 5,102,980; U.S. Patent No.
5,106,942; and U.S.
Patent No. 5,194,463.
Pearlescent agents can be present in the composition at about 0 wt % to about 50 wt % based on the total weight of the composition. Suitable pearlescent agents include mica coated with titanium oxide, with iron oxide, with natural pigment or with bismuth oxychloride, such as colored titanium mica. Suitable pearling pigments include without limitation bismuth oxy-chloride, guanine and titanium composite materials containing, as a titanium component, titanium dioxide, titanium lower oxides or titanium oxynitride, as disclosed in U.S. Patent No. 5,340,569.
Preferably, the pearlescent agents are present at about 1 wt % to about 20 wt %
based on the total weight of the composition.
In some embodiments, it may be desirable to include glitter agents in the composition to achieve unique visual effects. Non-limiting examples of such glitter agents include coated/treated polyethylene terephthalate and titanium dioxide coated mica. A
non-limiting example of such a coated/treated polyethylene terephthalate is available from Glitterex Corp.
under the tradename 0.008" square Dark Gold poly*flake. A non-limiting example of a titanium dioxide coated mica is available from Presperse Inc. under the tradename Flonac ME
C. Other materials useful as glitter include particles of metal, such as aluminum, copper, 10 silver, gold, and brass, particles of transparent or colored, solid organic materials, including poly(ethylene terephthalate), polymethacrylate, and poly(vinylbutyral)), and particles of metal coated film or paper, such as aluminum coated poly(ethylene terephthalate) film, to name a few.
Interferential goniochromatic pigments may also be included to impart iridescence, as described in U.S. Patent Pub, 2004/0076650.
Such pigments are commercially available under the trade names Such Infinite TM TM
Colors (Shiseido), Sicopearl Fantastico (BASF), Colorstream (Merck), Colorglitter (3MTm) and Chromaflair (Flex). Interferential fibres may also be include, as described in U.S, Patent No. 5,472,798. Other components that impart a desired visual effect to the eye lashes may be added.
The dry cosmetic formulation may also optionally include fillers. The term "fillers"
should be understood as meaning colorless or white, inorganic or synthetic, lamellar or non-lamellar particles. Fillers include silica, polymethylmethacrylate (PMMA), alumina, barium sulfate, talc, zinc stearate, mica, kaolin, nylon powder, polyethylene powder, Teflon, starch, boron nitride, or the like. Fillers may be in a concentration of from about 1%
to about 50%
by:Wght, 'hot about 1% to about 20% or from about 1% to about 10% by weight.
Suitable fillers also include copolymer microspheres such as EXPANCEL (Nobel Industries), TM TM
POLYTRAP (Dow Corning), and silicone resin microbeads (TOSPEARL from Toshiba).
The compositions of the present invention may optionally comprise a plurality of fibers dispersed therein in order to enhance the volume of the eyelashes, i.e., increase thickness and length thereof. The fibers linty be Of any type known in the cosmetic art and may be natural or. synthetic: Thermoplastic fibers, such as those Of polyethylene, polypropylene, or nylon, ate preferred..
In addition, the compositions may include conditioning agnts and emollients/moisturizing agents. Conditioning agent may include, without limitation, algae extracts, wheat amino acids, wheat protein, hydrolyzed vegetable protein and derivatives, keratin amino acids, serum protein, yeast extract, hydrolyzed mucopolysaccharides, hydrolyzed animal protein, chitosan, phytantriol, hydrolyzed corn protein, hydrolyzed soy protein, hydrolyzed silk, silk amino acids, and mixtures themof.
Emollient/moisturizing oils that can be incorporated in the composition of the invention include, without limitation, jojoba oil, lanolin oil, coconut oil, palm kernel glycerides, grape seed oil, evening primrose oil, sesame oil, castor oil, meadowfoam seed oil, emu oil, dimethicone copolyol meadowfoamate, Wheat germ oil, macadamia ma oil, avocado oil, and mixtures thereof.
Other emoillients include ceteatyl ocianoateõ octyl palmitate, buql ene glycol, propylene glycoL glycerin, glycei*monostearate,.petrolatum, caprylic trigyleeride, optic it-4*er*, shae butter, and silicone oil.
The eonipaSitionS May further include- One: or moreadditional. components selected from the group Consisting of anesthetics, anti-allergenics; antifungals anti-inThunmatories, antimicrobials, antiseptics, cheating agents, emollients, ettulsifierS, fragrances, huineetants, lubricants, masking agents, medicaments, moisturizers, pH adjusters, preservatives, protectants, soothing agents, stabilizers, sunscreens, surfactants, thickeners, viscosity control agents, vitamins, pigments, bioactives, and any combinations thereof.
In currently preferred embodiments, the cosmetic compositions comprise Acronal V
215 (BASF), which is an aqueous dispersion of a polymer based on acrylic ester, ink comprising phenolic resin and cellulose derivatives dissolved in Dowanol and/or ink comprised of pigments/dyes in solutions of acrylic, vinyl & cellulose derivatives dissolved in water, and optionally carbon black as a colorant.
The cosmetic composition may be applied to the backing layer by any suitable means, including methods conventionally employed to make cosmetic "samplers." For example, bulk thin film application techniques such as extrusion or spray technology have been used to make cosmetic samples, as described in U.S. Patent No. 6,691,872.
. Such techniques permit the cosmetic composition to be uniformly distributed over the surface of the backing layer. Additionally, the present invention may be produced via industrial printing processes, by industrial printers which include but are not limited to Redd Europe, Main Titles, and LetraSet or by medical adhesive TM
and tape manufacturers such as Mactac, Scapa Group Plc, Adhesives Research Ltd, and Tape Specialties amongst others.
In other embodiments, the cosmetic composition is printed onto the backing layer.
Methods for printing cosmetics onto substrates are also generally known, as disclosed in, for example, U.S. Patent No, 5,192,386.
The printing process permits the cosmetic composition to be precisely deposited on the substrate in desired quantities and patterns. Further, with a printing process, the product may be printed with two or more different colors of cosmetic to provide unique effects when applied to the eyelashes.
Additionally, patterns tnay be mixed and matched with each other or with any of the.
aforementioned shapes, lines, or other configurations contained within. Such combinations could be applied either in a single application event, that is On opposing sides of the same sheet or in two or more single events applied sequentially. For example, the first ;application could deposit circles on the eyelashes and -then the next application could deposit complete lines, broken lines, or a shape Or set of shapes differing from the first application.
Referring to Figure 1, non-limiting examples of the types of effects that can be achieved. are illustrated. In one principle embodiment, the product may comprise a uniform coating of color mascara such that when applied to the eyelashes, the color mascara transfers to the lashes in a relatively even fashion to give a look comparable to a convention mascara .product The mascara composition may be applied to the topside of the lashes, the underside of the lashes, or both.
Figures 1 and 14 also illustrates certain graphic effects that can be achieved, for example, by printing two or more colors onto the backing layer. Of the numerous variants according to this embodiment, special mention may be made of those wherein a color gradient is applied to the backing layer such that when the cosmetic composition is transferred to the eyelashes, a color gradient is formed on the lashes. The color gradient may he applied along the long axis of the backing layer (i.e., along the line IA) so that a color gradient is formed from the root of each lash to the tip of the lash, or the color gradient may, be formed from left to right across the backing layer (i.e., perpendicular to line 1-1) so that a color gradient is established from the left to the right across the lashes.
Rather than a aadient of colors similar effects could be achieved using two or more colors in diSCZ*
bands such that, for example, the portion of the lash nearest the root is one color and portion nearest the tip is a different color, W. There is Osentialiy no limit to the aesthetic effects which can be achieved,. including without limitation, rainbow patterns, wave patters', and sun rise; patterns, to name a few.
As shown in Figures 1 and 14, the backing layer may. further comprise a plurality of self-adhesiye micro dots, which can be use alone, or in combination with a cosmetic composition. The micro dots themselves may Comprise the dry cosmetic composition or may be made of a polymeric material or the like, and will typically include an adhesive to facilitate transfer to the lashes. The micro dots may be configured in any pattern, the dots may be uniform in size or vary in size and shape as well as be positioned in an spatial orientation necessary to achieve a specific or desired effect. Said micro dots may form complete lines, broken lines, any of the aforementioned larger shapes, or any design that may be .printed by one or more of the previously listed printing, techniques.
Referring to Figure 9, a non-limning example presents the present invention as an array of micro dots. The micro dots may be any size but are typically, though not necessarily, from about. 10 um (microns) to about 2. mm in diameter, more typically from about 50 um to about 1 mm, or from about 500 urn to about 0.5 mm in diameter.
The plurality of micro dots may be the same color or may be different colors. it has been found that a thickening effect is obtained when the dry mascara product is in the form of micro dots, particularly if the micro dots are of suitable size to be supported on more than one lash.
Also illustrated in Figure 1 is the use of a clear composition to impart to the lashes a matrix,. which holds and separates that lashes. 'The clear composition may comprise a clear adhesive polymer, for example, which is printed' onto the backing layer in a pattern, such as a plurality of rOtvt. When the composition transferred to the lashes, the row of clear composition are disposed substantially perpendicular to the lashed to form a matrix, !Alternatively, the clear composition may be applied as a uniform film over the backing layer, In this manner the entire length of the lashes, or a portion thereof, is encased in the polymeric film. The film may be dimensioned such. that it extends slightly beyond the tips of the lashes'=
to provide a continuous "hard" edge or may be dimensioned such that the tips of the lashes extend beyond the edge to provide an edge having a "feathered" appearance, Furtherrnore, the present invention may take the form of lines or similar patterns as depicted in Figure 3 such that the tips of the lashes are extended to impart a lengthening to the eyelashes.
In another principle embodiment, a method for the application of a dry mascara formulation to eye lashes is provided, comprising contacting the eye lashes with a dry mascara formulation which is deposited on a carrier substrate, and optionally varying the temperature. of the mascara or applying pressure, light or a combination thereof, to the eye lash and mascara formulation to adhere the mascara formulation to the eye lash. In one embodiment, .pressure is applied to the mascara formulation and substrate. In another embodiment, heat is applied to the mascara formulation and substrate when they are in contact with the eye lashes. In another embodiment, the dry mascara formulation is exposed to light when it is in contact with the eye lashes. In an alternate embodiment, the mascara is adhered to the eye lash by holding the formulation in contact with the eye lash for a period of time, without the application of pressure, heat or light. The carrier substrate is not a conventional brush applicator for applying mascara. In one embodiment, the carrier substrate is a thin film material. In one embodiment, an application tool is used to transfer the dry mascara formulation to the eye lashes. The application toot incorporates the dry mascara formulation on one or two surfaces that are brought into contact with the eye lashes. Figure 1 and Figure 2 depict examples of application tools that have the dry mascara formulation incorporated on 4 surface that is placed in contact with the eye lashes.
The method of applying mascara enables mascara with various Patterns, designs or effects to be applied to the eye lash to achieve a desired eye lash appearance. The desired pattern or effect may be applied selectively on the top surface of the eye lash or on the underside of the eye. lash with the present invention. In one embodiment, mascara with a desired colorant pattern is applied to the eye lash, Figure 4 depicts several color patterns or gradients, which are possible with the present invention. hi another embodiment, mascara with small graphics or illustrations are applied to the eye laSb. In another embodiment, mascara with a reflective substance such as glitter is applied to the eye lash. Figures 6 illustrates the eye lashes with mascara that contains glitter. The finish of the mascara product of the present invention, by way of non-limiting examplet could be mart, semi-mitt, gloss, semigloss and combinations thereof. In another embodiment, mascara with desired visual effects such as a rigid "hard lash" effect (yr with a "black -matt dot"
pattern is applied to the eye lashes. Figure 5 :displays eye lashes with a 'hard lash' effect Figure 6 illustrates eye lashes with a 'black matt dot" patter. in another embodiment; mascara with individual elements, such as "matt black dots", may be applied, to the eye lashes. The method allows for easy control of the amount of mascara to be applied to the eye lashes by controlling the amount of drv mascara deposited on the carrier substrate. The present invention is capable of imparting definition, length, visual effects, including holography, and volume or combinations thereof Additionally, eyelashes with a light or thick coating of mascara are easily achieved using the invention.
Figure 10 illustrates one embodiment according to the invention wherein a plurality of cosmetic microdots and an adhesive are disposed on a transfer sheet backing layer. A
backing sheet, CMOs the product and is removed to expose the adhesive and cosmetic microdots. When the exposed adhesive is pressed. against the eyelash, it adheres to the eyelash and transfers the microdot from the transfer sheet backing layer onto the eyelash.
The microdots are only weakly bound to the transfer sheet and are thus readily transferred with the adhesive to the eyelash.
In one interesting embodiment, the product may have pressure sensitive ink on the.
iltce of the transfer layer opposite the cosmetic, as illustrated in Figure 11. The pressure sensitive ink will change colors when sufficient pressure has been applied to transfer the cosmetic onto the eyelashes, and thus serves as an indicator that the product has been successfully and unitbrmly applied. In another embodiment, the product may employ a tactile cue such as raised protrusions altering the transfer layer to alert the consumer when sufficient pressure has been applied to transfer the cosmetic onto the eyelashes.
It has been found that certain patterns of printed cosmetic are superior for obtaining uniform coverage and good transfer of the cosmetic onto the eyelashes. As shown in Figure 12, the efficiency of transfer is relatively low for lines of cosmetic (printed along line I-1) because the eyelashes may not: align on pitch with the cosmetic lines. Tilted hexagon patterns of hexagonal dots are contemplated to have superior adhesion efficiency to the eyelashes.
The invention is not limited, however, to any particular pattern of printed cosmetic.
Exemplary applicator devices according to the invention are illustrated in Figure 13.
In embodiment "a' the folded product is loaded into a recess formed between two rigid plate-like members, which may have a slightly arched configuration according to the contours of the eyelids. In operation the user applies force to a lever, which brings together the plates to provide the necessary pressure to transfer the cosmetic to the eyelashes. It is contemplated that any such lever-actuated mechanism will be suitable for generating sufficient pressure to transfer the cosmetic to the eyelash, in embodiment "b," also illustrated in Figure 13, the product is held in an internal recess of a, Stick-type device. The recess is formed between a terthinal end of the device and the edge Of a solid member slidably disposed in the 4.erio;
such that the skiable member may be moved toward the terminal end of the Mike, by pressure from the thumb or the like, to engage the product and create sufficient pressure to transfer the cosmetic to the eyelashes. However, it will be understood that no special applicator device is required, and that the. product .may be; employed simply by .squeezing between the tbrefinger and thumb, etc, it. will be understood that the terms "backing" and "transfer" when used to modify the "sheet" or "la?,,,er" are not intended to limit the product configuration, but rather are used to assist the reader in understanding the non-iimiting embodiments shown in the drawings.
Claims (21)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A mascara applicator system comprising:
a foldable transfer sheet having two edges of concave curvature, each configured to approximate the curvature of the eyelid such that when said edge is placed against the eyelashes, coverage of said eyelashes by said transfer sheet is maximized, wherein upon folding, the two edges are substantially parallel to each other;
a dry or substantially dry cosmetic composition of cosmetic microdots arranged in a tilted hexagonal pattern disposed on at least a portion of one face of said transfer sheet;
wherein said transfer sheet has an adhesive disposed over said cosmetic microdots; and wherein said foldable transfer sheet is configured to be folded over to encase the eyelashes such that with the application of pressure on the folded transfer sheet, said dry or substantially dry cosmetic composition is transferred to the eyelashes substantially in said tilted hexagonal pattern and held thereon by said adhesive.
a foldable transfer sheet having two edges of concave curvature, each configured to approximate the curvature of the eyelid such that when said edge is placed against the eyelashes, coverage of said eyelashes by said transfer sheet is maximized, wherein upon folding, the two edges are substantially parallel to each other;
a dry or substantially dry cosmetic composition of cosmetic microdots arranged in a tilted hexagonal pattern disposed on at least a portion of one face of said transfer sheet;
wherein said transfer sheet has an adhesive disposed over said cosmetic microdots; and wherein said foldable transfer sheet is configured to be folded over to encase the eyelashes such that with the application of pressure on the folded transfer sheet, said dry or substantially dry cosmetic composition is transferred to the eyelashes substantially in said tilted hexagonal pattern and held thereon by said adhesive.
2. The mascara applicator system according to claim 1, wherein said transfer sheet comprises paper.
3. The mascara applicator system according to claim 1, wherein said transfer sheet comprises perforations or folds, wherein said perforations or folds are positioned roughly in the middle of the transfer sheet to facilitate folding over the eyelashes.
4. The mascara applicator system according to claim 1, wherein said cosmetic microdots have a diameter from about 50 microns to about 0.5 mm.
5. The mascara applicator system according to claim 1, wherein said tilted hexagonal pattern is tilted relative to the eyelashes.
6. The mascara applicator system according to claim 1, wherein said cosmetic composition comprises carbon black.
7. The mascara applicator system of claim 1, wherein said cosmetic composition comprises a color gradient or pattern on the surface of said transfer sheet.
8. The mascara applicator system according to claim 1, wherein said cosmetic composition is transparent.
9. The mascara applicator system according to claim 1, wherein said cosmetic composition is applied to said transfer sheet by a printing process selected from the group consisting of lithography, flexography, xerographic printing, laser printing, release coating, digital printing, ink jet printing, rotogravure, and screen printing.
10. The mascara applicator system according to claim 1, further comprising a release coating layer disposed on said transfer sheet to facilitate separation of said cosmetic composition from said transfer sheet during use.
11. The mascara applicator system according to claim 10, wherein said release coating layer comprises a non-stick silicone or mixtures of silicones.
12. The mascara applicator system according to claim 1, further comprising a backing sheet laminated onto said transfer sheet by an adhesive layer and overlaying said cosmetic composition to protect said cosmetic composition prior to use, said backing sheet being removable prior to use to expose said cosmetic composition and said adhesive layer.
13. The mascara applicator system according to claim 12, wherein said backing sheet comprises a transparent plastic material.
14. The mascara applicator system according to claim 13, wherein said backing sheet comprises a biaxially-orientated polyethylene terephthalate polyester film.
15. The mascara applicator system according to claim 1, wherein said adhesive comprises a pressure sensitive adhesive.
16. The mascara applicator system according to claim 1, where said transfer sheet comprises an indicator to alert the user when the cosmetic composition has been successfully applied to the eyelashes.
17. The mascara applicator system according to claim 1, further comprising an indicator which comprises pressure sensitive ink on the face of the transfer sheet opposite the cosmetic composition.
18. A method for applying a cosmetic product to eyelashes comprising:
(i) providing a substrate having an adhesive composition and a dry or substantially dry cosmetic composition of cosmetic microdots arranged in a tilted hexagonal pattern disposed on one face thereof, wherein the substrate has two edges of concave curvature each configured to approximate the curvature of the eyelid;
(ii) folding the substrate over the eyelashes such that at least a portion of said eyelashes are in contact with said adhesive and such that the two edges are substantially parallel to each other; and (iii) applying pressure to the opposing sides of said folded substrate to transfer the dry or substantially dry cosmetic composition to the eyelashes substantially in said tilted hexagonal pattern.
(i) providing a substrate having an adhesive composition and a dry or substantially dry cosmetic composition of cosmetic microdots arranged in a tilted hexagonal pattern disposed on one face thereof, wherein the substrate has two edges of concave curvature each configured to approximate the curvature of the eyelid;
(ii) folding the substrate over the eyelashes such that at least a portion of said eyelashes are in contact with said adhesive and such that the two edges are substantially parallel to each other; and (iii) applying pressure to the opposing sides of said folded substrate to transfer the dry or substantially dry cosmetic composition to the eyelashes substantially in said tilted hexagonal pattern.
19. The method according to claim 18 further comprising heating the cosmetic composition to facilitate transfer to the eyelashes.
20. The method according to claim 18 wherein an applicator device is employed to carry out said step of applying pressure to the opposing sides of said folded substrate.
21. The method according to claim 18, wherein said tiled hexagonal pattern is tilted relative to the eyelashes.
Applications Claiming Priority (3)
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US98896607P | 2007-11-19 | 2007-11-19 | |
US60/988,966 | 2007-11-19 | ||
PCT/US2008/083749 WO2009067396A1 (en) | 2007-11-19 | 2008-11-17 | Composition and method for dry application of mascara |
Publications (2)
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CA2705756A1 CA2705756A1 (en) | 2009-05-28 |
CA2705756C true CA2705756C (en) | 2016-02-16 |
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CA2705756A Expired - Fee Related CA2705756C (en) | 2007-11-19 | 2008-11-17 | Composition and method for dry application of mascara |
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US (1) | US20100218781A1 (en) |
EP (1) | EP2211661A4 (en) |
JP (1) | JP5539215B2 (en) |
CN (1) | CN101868164A (en) |
AR (1) | AR070310A1 (en) |
BR (1) | BRPI0820084A2 (en) |
CA (1) | CA2705756C (en) |
MX (1) | MX2010005474A (en) |
TW (1) | TWI469746B (en) |
WO (1) | WO2009067396A1 (en) |
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- 2008-11-17 EP EP08851973.1A patent/EP2211661A4/en not_active Withdrawn
- 2008-11-17 BR BRPI0820084-0A patent/BRPI0820084A2/en not_active IP Right Cessation
- 2008-11-17 MX MX2010005474A patent/MX2010005474A/en active IP Right Grant
- 2008-11-17 US US12/682,834 patent/US20100218781A1/en not_active Abandoned
- 2008-11-17 CA CA2705756A patent/CA2705756C/en not_active Expired - Fee Related
- 2008-11-17 CN CN200880116669A patent/CN101868164A/en active Pending
- 2008-11-17 WO PCT/US2008/083749 patent/WO2009067396A1/en active Application Filing
- 2008-11-17 JP JP2010534257A patent/JP5539215B2/en not_active Expired - Fee Related
- 2008-11-19 AR ARP080105029A patent/AR070310A1/en unknown
- 2008-11-19 TW TW97144716A patent/TWI469746B/en not_active IP Right Cessation
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CN101868164A (en) | 2010-10-20 |
JP2011504120A (en) | 2011-02-03 |
EP2211661A1 (en) | 2010-08-04 |
EP2211661A4 (en) | 2015-01-07 |
US20100218781A1 (en) | 2010-09-02 |
BRPI0820084A2 (en) | 2015-06-30 |
TWI469746B (en) | 2015-01-21 |
WO2009067396A1 (en) | 2009-05-28 |
TW200936073A (en) | 2009-09-01 |
MX2010005474A (en) | 2010-09-24 |
JP5539215B2 (en) | 2014-07-02 |
AR070310A1 (en) | 2010-03-31 |
CA2705756A1 (en) | 2009-05-28 |
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