WO2009052239A2 - Procédés et compositions pour améliorer l'aspect de surfaces kératiniques - Google Patents

Procédés et compositions pour améliorer l'aspect de surfaces kératiniques Download PDF

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Publication number
WO2009052239A2
WO2009052239A2 PCT/US2008/080084 US2008080084W WO2009052239A2 WO 2009052239 A2 WO2009052239 A2 WO 2009052239A2 US 2008080084 W US2008080084 W US 2008080084W WO 2009052239 A2 WO2009052239 A2 WO 2009052239A2
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Prior art keywords
charge
component
composition
surface component
internal component
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PCT/US2008/080084
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English (en)
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WO2009052239A3 (fr
Inventor
Fatemeh Mohammadi
Julius R. Zecchino
Tian Xiang Wang
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Elc Management Llc
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Publication of WO2009052239A2 publication Critical patent/WO2009052239A2/fr
Publication of WO2009052239A3 publication Critical patent/WO2009052239A3/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/11—Encapsulated compositions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/25—Silicon; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
    • A61Q1/02—Preparations containing skin colorants, e.g. pigments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
    • A61Q1/02—Preparations containing skin colorants, e.g. pigments
    • A61Q1/04—Preparations containing skin colorants, e.g. pigments for lips
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
    • A61Q1/02—Preparations containing skin colorants, e.g. pigments
    • A61Q1/04—Preparations containing skin colorants, e.g. pigments for lips
    • A61Q1/06—Lipsticks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
    • A61Q1/02—Preparations containing skin colorants, e.g. pigments
    • A61Q1/10—Preparations containing skin colorants, e.g. pigments for eyes, e.g. eyeliner, mascara
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
    • A61K2800/805—Corresponding aspects not provided for by any of codes A61K2800/81 - A61K2800/95

Definitions

  • the invention is in the field of cosmetic compositions for application to keratinous surfaces for the purposes of providing volume, thickness, filling wrinkles or other skin depressions, plumping lips, and improving adhesion of cosmetic compositions to the keratinous surface.
  • One common goal among cosmetics companies is to provide products that wear well.
  • the term "wear well” means that the product stays on the keratinous surface to which it has been applied for a period of time that is acceptable.
  • the typical consumer is very familiar with cosmetics, such as lipstick, that do not wear well - that is, a lipstick that wears off the lips almost immediately after application.
  • cosmetics that adhere to keratinous surfaces and look fresh for most of the day are very desirable. Most women apply their cosmetics in the morning with the mentality that whatever happens. For that reason they want products that wear well so that whatever does happen still leaves them looking good throughout the day.
  • PSA pressure sensitive adhesive
  • PSAs are widely used in industrial products such as post-its, self-adhesive postage stamps, and so on.
  • PSAs can be silicone polymers with a high degree of polymerization, copolymers of silicone and organic groups such as acrylates or methacrylates, or comprised solely of organic groups.
  • One characteristic of many PSAs that is believed to contribute to improved adhesion to keratin is the polymeric configuration comprised of a backbone having pendent groups that extend from the backbone in a "rake" configuration.
  • hair care products with a net positive charge so as to better bind to hair fibers.
  • most hair conditioners contain cationic surfactants or polymers that have a net positive charge which improve the affinity of the conditioner to the hair and ultimately provide improved conditioning.
  • the disadvantage of using positively charged molecules to bind to negatively charged skin surfaces is that the molecules themselves often do not provide volume, nor are they capable of filling. There are many situations where providing volume or filling skin depressions is a desired benefit. For example, with mascaras it is very desirable to provide products that add volume to lashes so that they look thicker. In the foundation makeup or concealer category it is desirable to provide products that have the ability to fill wrinkles or undesired skin depressions. In the lip color category, it is desirable to provide products that make the lips appear larger than they really are - a way to have plump lips without resorting to injectable fillers or compositions that achieve fullness by swelling lip tissue with spices and similar irritants.
  • cosmetic compositions particularly color cosmetic compositions
  • composite particles comprised of at least one surface component having a net positive charge and at least one internal component having an identical or contrasting charge
  • the cosmetic compositions into which such particles are incorporated will exhibit improved adhesion to keratinous surfaces, provide volumizing, thickening, and filling properties. It is an object of the invention to provide cosmetic compositions comprising composite particles containing a surface component and an internal component, wherein the surface component has a net positive charge and the internal component has a charge that is the same or different from the surface component charge.
  • It is a further object of the invention to provide a method for improving adhesion of cosmetic compositions to keratinous surfaces comprising formulating said compositions with composite particles containing a surface component and an internal component, wherein the surface component has a net positive charge and the internal component has a charge which is the same or different from the surface component charge, and the net positive charge of the surface component improves adhesion of the composition to a negatively charged keratinous surface.
  • It is a further object of the invention to provide a method for filling skin wrinkles and depressions comprising applying to the skin a composition comprising composite particles containing a surface component and an internal component, wherein the surface component has a net positive charge and the internal component has a charge which is the same or different from the surface component charge.
  • the invention is directed to a cosmetic composition
  • a cosmetic composition comprising composite particles containing a surface component and an internal component, wherein the surface component has a net positive charge and the internal component has a charge that is the same or different from the surface component charge.
  • the invention is further directed to a method for improving adhesion of cosmetic compositions to keratinous surfaces comprising formulating said compositions with composite particles containing a surface component and an internal component, wherein the surface component has a net positive charge and the internal component has a charge which is the same or different from the surface component charge, and the net positive charge of the surface component improves adhesion of the composition to a negatively charged keratinous surface.
  • the invention is also directed to a method for thickening and volumizing eyelashes comprising applying to the lashes a composition containing composite particles containing a surface component and an internal component, wherein the surface component has a net positive charge and the internal component has a charge which is the same or different from the surface component charge and the net positive charge of the surface component improves the adhesion of the composition to negatively charged lashes.
  • the invention is further directed to a method for improving the appearance of skin wrinkles and depressions comprising applying to the skin a composition comprising composite particles comprised of a surface component and an internal component, wherein the surface component has a net positive charge and the internal component has a charge which is the same or different from the surface component charge.
  • the invention is further directed to a method for plumping lips comprising applying to the lips a composition comprising a composite particle comprised of a surface component and an internal component wherein the surface component has a net positive charge and the internal component has a charge which is the same or different from the surface component charge.
  • nonvolatile means that the ingredient exhibits a vapor pressure of less than about 2 millimeters of mercury at 20° C.
  • the term "plumping" with respect to lips means that the lips exhibit the appearance of greater fullness and volume, e.g. are plumped up.
  • ⁇ ⁇ dielectric constant of the medium ⁇ ⁇ viscosity of the medium; ⁇ ⁇ 12.85 ⁇ EmV; and f( ⁇ a) ⁇ correction factor, which takes into account the thickness of the double layer and particle diameter.
  • the unit k is a reciprocal length. 1 / K is frequently described as the thickness of the double layer.
  • volatile means that the ingredient exhibits a vapor pressure of greater than about 2 millimeters of mercury at 20° C.
  • the positively charged particle used in the compositions of the invention may be present in amounts ranging from about 0.01 to 95%, preferably from about 0.1 to 90%, more preferably from about 0.5 to 80% by weight of the total composition.
  • the particle may be inherently positively charged, or the positive charge may be effected by coating or reacting the particle with a material that confers the positive charge. Preferred is where the particle itself exhibits a net neutral charge (e.g. inert or no charge), and the positive charge is obtained by coating the particle with a material that provides a net positive charge.
  • the particle itself may be made of thermoplastic materials or glass, or it may be in the form of fullerenes.
  • the particle may be hollow or solid. In one preferred embodiment the particle is spherical.
  • the particle size of the particle ranges from about 1 to 150, preferably from 1 to 100, more preferably from 5 to 50 microns in diameter. Preferred is where the density of the particle is less than about 1.
  • the particle floats in water. Most preferred are spherical particles having a density ranging from about 0.5 to 1.5 gm/cm 3 .
  • suitable composite particles may be purchased from Microsphere Technology Ltd., Edinburgh Scotland, and are called microspheres coated with various types of ingredients such as metals, pigments, titanium, or magnetized particles.
  • microspheres coated with metals such as gold, silver, copper, or nickel; or magnetized microspheres coated with super paramagnetic iron oxide, a paramagnetic nickel/phosphorus alloy, or silica; or microspheres coated with a variety of organic or inorganic pigments include iron oxides (red, yellow, blue) or carbon black; or microspheres coated with titanium dioxide; or microspheres coated with photocatalytic titanium dioxide.
  • metals such as gold, silver, copper, or nickel
  • microspheres coated with a variety of organic or inorganic pigments include iron oxides (red, yellow, blue) or carbon black; or microspheres coated with titanium dioxide; or microspheres coated with photocatalytic titanium dioxide.
  • suitable particles include those that are thermoplastic and are prepared by emulsion polymerization of monomers including acrylic acid, methacrylic acid or their C 1-4 esters such as methyl methacrylate, ethyl methacrylate, methyl acrylate, ethyl acrylate, butyl acrylate, and so on; acrylonitriles, vinyl esters, ethylhexyl acrylates, hydroxypropyl acrylates, hydroxyethyl acrylate, vinyl acetate, vinyl neodecanoate, vinyl propionate, vinyl stearate, acrylamides such as octylacrylamide, and so on.
  • Thermoplastic microspheres may be purchased from Advanced Polymer International, Syracuse, New York, under the trademark Gel Tac.
  • compositions of the invention may comprise a variety of other ingredients.
  • the compositions may be found in the anhydrous, emulsion, gel, solution, or suspension form. If present in the emulsion from, water-in-oil or oil-in-water emulsions may be suitable, and may include from about 0.01-99%, preferably from about 0.5-95%, more preferably from about 1- 90% by weight of the total composition of water and from about 0.01-98%, preferably from about 0.1-95%, more preferably from about 0.5-90% by weight of the total composition of oil.
  • the composition may contain a variety of other ingredients including but not limited to those set forth herein. If present in the solution or gel form, the composition may comprise from about 0.01-99% water and other optional ingredients. If present in the anhydrous form, the composition may contain waxes, oils, or humectants in the amounts set forth herein.
  • Suitable volatile oils that may be used in the compositions of the invention generally have a viscosity ranging from about 0.5 to 5 centistokes 25° C. and include linear silicones, cyclic silicones, branched silicones, paraffinic hydrocarbons, or mixtures thereof. Cyclic silicones are of the general formula:
  • Linear volatile silicones in accordance with the invention have the general formula:
  • n 0, 1, 2, 3, 4, or 5, preferably 0, 1, 2, 3, or 4.
  • Branched volatile silicones are generally of the formula:
  • R is Ci_ 4 alkyl, preferably methyl.
  • Linear and cyclic volatile silicones are available from various commercial sources including Dow Corning Corporation and General Electric.
  • the Dow Corning volatile silicones are sold under the tradenames Dow Corning 244, 245, 344, and 200 fluids. These fluids comprise octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane and the like.
  • linear volatile silicones such as hexamethyldisiloxane (viscosity 0.65 centistokes (abbreviated cst)), octamethyltrisiloxane (1.0 cst), decamethyltetrasiloxane (1.5 cst), dodecamethylpentasiloxane (2 cst) and mixtures thereof.
  • Suitable branched volatile silicones include methyl trimethicone, ethyl trimethicone, propyl trimethicone, butyl trimethicone and the like.
  • Methyl trimethicone may be purchased from Shin-Etsu Silicones and has the trade name TMF 1.5, having the viscosity of 1.5 centistokes at 25° C.
  • volatile oils are various straight or branched chain paraffinic hydrocarbons having 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, or 20 carbon atoms, more preferably 8 to 16 carbon atoms.
  • Suitable hydrocarbons include pentane, hexane, heptane, decane, dodecane, tetradecane, tridecane, and Cg-2o isoparaffins as disclosed in U.S. Pat. Nos. 3,439,088 and 3,818,105, both of which are hereby incorporated by reference in their entireties for all purposes.
  • Preferred volatile paraff ⁇ nic hydrocarbons have a molecular weight of 70-225, preferably 160 to 190 and a boiling point range of 30 to 320, preferably 60 to 260° C, and a viscosity of less than about 10 cst. at 25° C.
  • Such paraffinic hydrocarbons are available from EXXON under the ISOPARS trademark, and from the Permethyl Corporation.
  • Suitable C12 isoparaffins are manufactured by Permethyl Corporation under the tradename Permethyl 99A.
  • nonvolatile oils are also suitable for use in the cosmetic compositions of the invention.
  • the nonvolatile oils generally have a viscosity of greater than about 5 to 10 centistokes at 25 0 C, and may range in viscosity up to about 1,000,000 centipoise at 25 0 C.
  • the nonvolatile oils are liquid.
  • Further examples of nonvolatile oils include, but are not limited to:
  • Suitable esters are mono-, di-, and triesters.
  • the composition may comprise one or more esters selected from the group, or mixtures thereof.
  • Monoesters are defined as esters formed by the reaction of a monocarboxylic acid having the formula R-COOH, wherein R is a straight or branched chain saturated or unsaturated alkyl having 2 to 45 carbon atoms, or phenyl; and an alcohol having the formula R-OH wherein R is a straight or branched chain saturated or unsaturated alkyl having 2-30 carbon atoms, or phenyl. Both the alcohol and the acid may be substituted with one or more hydroxyl groups.
  • Either one or both of the acid or alcohol may be a "fatty" acid or alcohol, and may have from about 6 to 30 carbon atoms, more preferably 12, 14, 16, 18, or 22 carbon atoms in straight or branched chain, saturated or unsaturated form.
  • monoester oils that may be used in the compositions of the invention include hexyl laurate, butyl isostearate, hexadecyl isostearate, cetyl palmitate, isostearyl neopentanoate, stearyl heptanoate, isostearyl isononanoate, steary lactate, stearyl octanoate, stearyl stearate, isononyl isononanoate, and so on.
  • diesters Suitable diesters are the reaction product of a dicarboxylic acid and an aliphatic or aromatic alcohol or an aliphatic or aromatic alcohol having at least two substituted hydroxyl groups and a monocarboxylic acid.
  • the dicarboxylic acid may contain from 2 to 30 carbon atoms, and may be in the straight or branched chain, saturated or unsaturated form.
  • the dicarboxylic acid may be substituted with one or more hydroxyl groups.
  • the aliphatic or aromatic alcohol may also contain 2 to 30 carbon atoms, and may be in the straight or branched chain, saturated, or unsaturated form.
  • one or more of the acid or alcohol is a fatty acid or alcohol, i.e. contains 12-22 carbon atoms.
  • the dicarboxylic acid may also be an alpha hydroxy acid.
  • the ester may be in the dimer or trimer form.
  • diester oils that may be used in the compositions of the invention include diisotearyl malate, neopentyl glycol dioctanoate, dibutyl sebacate, dicetearyl dimer dilinoleate, dicetyl adipate, diisocetyl adipate, diisononyl adipate, diisostearyl dimer dilinoleate, diisostearyl fumarate, diisostearyl malate, dioctyl malate, and so on.
  • Triesters Suitable triesters comprise the reaction product of a tricarboxylic acid and an aliphatic or aromatic alcohol or alternatively the reaction product of an aliphatic or aromatic alcohol having three or more substituted hydroxyl groups with a monocarboxylic acid.
  • the acid and alcohol contain 2 to 30 carbon atoms, and may be saturated or unsaturated, straight or branched chain, and may be substituted with one or more hydroxyl groups.
  • one or more of the acid or alcohol is a fatty acid or alcohol containing 12 to 22 carbon atoms.
  • triesters include esters of arachidonic, citric, or behenic acids, such as triarachidin, tributyl citrate, triisostearyl citrate, tri C 12 - 13 alkyl citrate, tricaprylin, tricaprylyl citrate, tridecyl behenate, trioctyldodecyl citrate, tridecyl behenate; or tridecyl cocoate, tridecyl isononanoate, and so on.
  • Esters suitable for use in the composition are further described on pages 2679-2688 of
  • nonvolatile hydrocarbon oils include paraffmic hydrocarbons and olefins, preferably those having greater than about 20 carbon atoms.
  • hydrocarbon oils include C24-28 olefins, C30-45 olefins, C20-40 isoparaff ⁇ ns, hydrogenated polyisobutene, polyisobutene, polydecene, hydrogenated polydecene, mineral oil, pentahydrosqualene, squalene, squalane, and mixtures thereof.
  • such hydrocarbons have a molecular weight ranging from about 300 to 1000 Daltons.
  • Synthetic or naturally occurring glyceryl esters of fatty acids, or triglycerides are also suitable for use in the compositions. Both vegetable and animal sources may be used. Examples of such oils include castor oil, lanolin oil, C 10 - 18 triglycerides, caprylic/capric/triglycerides, sweet almond oil, apricot kernel oil, sesame oil, camelina sativa oil, tamanu seed oil, coconut oil, corn oil, cottonseed oil, linseed oil, ink oil, olive oil, palm oil, illipe butter, rapeseed oil, soybean oil, grapeseed oil, sunflower seed oil, walnut oil, and the like.
  • oils include castor oil, lanolin oil, C 10 - 18 triglycerides, caprylic/capric/triglycerides, sweet almond oil, apricot kernel oil, sesame oil, camelina sativa oil, tamanu seed oil, coconut oil, corn oil, cottonseed oil
  • glyceryl esters such as fatty acid mono-, di-, and triglycerides which are natural fats or oils that have been modified, for example, mono-, di- or triesters of polyols such as glycerin.
  • a fatty (C 12-22) carboxylic acid is reacted with one or more repeating glyceryl groups, glyceryl stearate, diglyceryl diiosostearate, polyglyceryl-3 isostearate, polyglyceryl-4 isostearate, polyglyceryl-6 ricinoleate, glyceryl dioleate, glyceryl diisotearate, glyceryl tetraisostearate, glyceryl trioctanoate, diglyceryl distearate, glyceryl linoleate, glyceryl myristate, glyceryl isostearate, PEG castor oils, PEG glyceryl oleates, PEG glyceryl stearates, PEG glyceryl tallowates, and so on.
  • glyceryl groups glyceryl stearate, diglyceryl diiosostearate, poly
  • Nonvolatile silicone oils both water soluble and water insoluble, are also suitable for use in the composition.
  • Such silicones preferably have a viscosity ranging from about 10 to 800,000 cst, preferably 20 to 200,000 cst at 25° C.
  • Suitable water insoluble silicones include amine functional silicones such as amodimethicone; phenyl substituted silicones such as bisphenylhexamethicone, trimethylsiloxyphenyl dimethicone, phenyl trimethicone, or polyphenylmethylsiloxane; dimethicone, dimethicone substituted with C 2 - 30 alkyl groups such cetyl dimethicone.
  • Nonvolatile silicones may have the following general formula:
  • R and R' are each independently Ci_3o straight or branched chain, saturated or unsaturated alkyl, phenyl or aryl, trialkylsiloxy, and x and y are each independently 0- 1,000,000; with the proviso that there is at least one of either x or y, and A is alkyl siloxy endcap unit.
  • A is a methyl siloxy endcap unit; in particular trimethylsiloxy, and R and R are each independently a Ci_3o straight or branched chain alkyl, phenyl, or trimethylsiloxy, more preferably a Ci-22 alkyl, phenyl, or trimethylsiloxy, most preferably methyl, phenyl, or trimethylsiloxy, and resulting silicone is dimethicone, phenyl dimethicone, diphenyl dimethicone, phenyl trimethicone, or trimethylsiloxyphenyl dimethicone.
  • alkyl dimethicones such as cetyl dimethicone, and the like wherein at least one R is a fatty alkyl (C12, C 14 , C 16 , C 18 , C20, or C 22 ), and the other R is methyl, and A is a trimethylsiloxy endcap unit, provided such alkyl dimethicone is a pourable liquid at room temperature.
  • Phenyl trimethicone can be purchased from Dow Corning Corporation under the tradename 556 Fluid.
  • Trimethylsiloxyphenyl dimethicone can be purchased from Wacker-Chemie under the tradename PDM-1000.
  • Cetyl dimethicone also referred to as a liquid silicone wax, may be purchased from Dow Corning as Fluid 2502, or from DeGussa Care & Surface Specialties under the tradenames Abil Wax 9801, or 9814.
  • composition of the invention may contain one or more surfactants.
  • the surfactants may be silicone or organic surfactants.
  • Suitable silicone surfactants include polyorganosiloxane polymers that have amphiphilic properties, for example contain both hydrophilic radicals and lipophilic radicals. These silicone surfactants may be liquids or solids at room temperature and include, but are not limited to those set forth herein.
  • silicone surfactant that may be used is generally referred to as dimethicone copolyol or alkyl dimethicone copolyol.
  • This surfactant is either a water-in-oil or oil-in-water surfactant having an Hydrophile/Lipophile Balance (HLB) ranging from about 2 to 18.
  • HLB Hydrophile/Lipophile Balance
  • the silicone surfactant is a nonionic surfactant having an HLB ranging from about 2 to 12, preferably about 2 to 10, most preferably about 4 to 6.
  • hydrophilic radical means a radical that, when substituted onto the organosiloxane polymer backbone, confers hydrophilic properties to the substituted portion of the polymer.
  • radicals that will confer hydrophilicity are hydroxy-polyethyleneoxy, hydroxyl, carboxylates, and mixtures thereof.
  • lipophilic radical means an organic radical that, when substituted onto the organosiloxane polymer backbone, confers lipophilic properties to the substituted portion of the polymer.
  • organic radicals that will confer lipophilicity are Ci_4o straight or branched chain alkyl, fluoro, aryl, aryloxy, Ci_4o hydrocarbyl acyl, hydroxy-polypropyleneoxy, or mixtures thereof.
  • One type of suitable silicone surfactant has the general formula:
  • PE is (-C 2 H 4 O) a -(-C 3 H 6 O) b -H, wherein a is from 0 to 25, b is from 0 to 25, with the proviso that a and b cannot both be 0 simultaneously, wherein x, y and z are each independently ranging from 0 to 1 million, with the proviso that they cannot all be 0 simultaneously.
  • x, y, z, a, and b are such that the molecular weight of the polymer ranges from about 5,000 to about 500,000, more preferably from about 10,000 to 100,000, and is most preferably approximately about 50,000 and the polymer is generically referred to as dimethicone copolyol.
  • silicone surfactant is wherein p is such that the long chain alkyl is cetyl or lauryl, and the surfactant is called, generically, cetyl dimethicone copolyol or lauryl dimethicone copolyol respectively.
  • the number of repeating ethylene oxide or propylene oxide units in the polymer are also specified, such as a dimethicone copolyol that is also referred to as PEG- 15/PPG-10 dimethicone, which refers to a dimethicone having substituents containing 15 ethylene glycol units and 10 propylene glycol units on the siloxane backbone.
  • PEG- 15/PPG-10 dimethicone which refers to a dimethicone having substituents containing 15 ethylene glycol units and 10 propylene glycol units on the siloxane backbone.
  • PEG- 15/PPG-10 dimethicone which refers to a dimethicone having substituents containing 15 ethylene glycol units and 10 propylene glycol units on the siloxane backbone.
  • PEG- 15/PPG-10 dimethicone which refers to a dimethicone having substituents containing 15 ethylene glycol units and 10 propylene glycol units on
  • silicone surfactants are those sold by Dow Corning under the tradename Dow Corning 3225C Formulation Aid having the CTFA name cyclotetrasiloxane (and) cyclopentasiloxane (and) PEG/PPG- 18 dimethicone; or 5225C Formulation Aid, having the CTFA name cyclopentasiloxane (and) PEG/PPG-18/18 dimethicone; or Dow Coming 190 Surfactant having the CTFA name PEG/PPG-18/18 dimethicone; or Dow Corning 193 Fluid, Dow Corning 5200 having the CTFA name lauryl PEG/PPG-18/18 methicone; or Abil EM 90 having the CTFA name cetyl PEG/PPG- 14/ 14 dimethicone sold by Goldschmidt; or Abil EM 97 having the CTFA name bis-cetyl PEG/PPG- 14/ 14 dimethicone sold by Goldschmidt; or Abil WE 09 having the CTFA name cetyl P
  • emulsifying elastomers are referred to as emulsifying elastomers. They are typically prepared as set forth above with respect to the section "silicone elastomers" except that the silicone elastomers will contain at least one hydrophilic moiety such as polyoxyalkylenated groups.
  • these polyoxyalkylenated silicone elastomers are crosslinked organopolysiloxanes that may be obtained by a crosslinking addition reaction of diorganopolysiloxane comprising at least one hydrogen bonded to silicon and of a polyoxyalkylene comprising at least two ethylenically unsaturated groups.
  • the polyoxyalkylenated crosslinked organo-polysiloxanes are obtained by a crosslinking addition reaction of a diorganopolysiloxane comprising at least two hydrogens each bonded to a silicon, and a polyoxyalkylene comprising at least two ethylenically unsaturated groups, optionally in the presence of a platinum catalyst, as described, for example, in U.S. Pat. No. 5,236,986 and U.S. Pat. No. 5,412,004, U.S. Pat. No. 5,837,793 and U.S. Pat. No. 5,811,487, the contents of which are incorporated by reference.
  • Polyoxyalkylenated silicone elastomers that may be used in at least one embodiment of the invention include those sold by Shin-Etsu Silicones under the names KSG-21 , KSG-20, KSG-30, KSG-31, KSG-32, KSG-33; KSG-210 which is dimethicone/PEG-10/15 crosspolymer dispersed in dimethicone; KSG-310 which is PEG- 15 lauryl dimethicone crosspolymer; KSG-320 which is PEG- 15 lauryl dimethicone crosspolymer dispersed in isododecane; KSG-330 (the former dispersed in triethylhexanoin), KSG-340 which is a mixture of PEG-IO lauryl dimethicone crosspolymer and PEG- 15 lauryl dimethicone crosspolymer.
  • polyglycerolated silicone elastomers like those disclosed in PCT/WO 2004/024798, which is hereby incorporated by reference in its entirety.
  • elastomers include Shin-Etsu' s KSG series, such as KSG-710 which is dimethicone/polyglycerin-3 crosspolymer dispersed in dimethicone; or lauryl dimethicone/polyglycerin-3 crosspolymer dispersed in a variety of solvent such as isododecane, dimethicone, triethylhexanoin, sold under the Shin-Etsu tradenames KSG-810, KSG-820, KSG-830, or KSG-840.
  • silicones sold by Dow Corning under the tradenames 9010 and DC9011.
  • One preferred crosslinked silicone elastomer emulsifier is dimethicone/PEG-10/15 crosspolymer.
  • the composition may contain one or more additional surfactants, such as nonionic organic surfactants.
  • Suitable nonionic surfactants include alkoxylated alcohols, or ethers, formed by the reaction of an alcohol with an alkylene oxide, usually ethylene or propylene oxide.
  • the alcohol is either a fatty alcohol having 6 to 30 carbon atoms.
  • Steareth 2-100 which is formed by the reaction of stearyl alcohol and ethylene oxide and the number of ethylene oxide units ranges from 2 to 100
  • Beheneth 5- 30 which is formed by the reaction of behenyl alcohol and ethylene oxide where the number of repeating ethylene oxide units is 5 to 30
  • Ceteareth 2-100 formed by the reaction of a mixture of cetyl and stearyl alcohol with ethylene oxide, where the number of repeating ethylene oxide units in the molecule is 2 to 100
  • Ceteth 1-45 which is formed by the reaction of cetyl alcohol and ethylene oxide, and the number of repeating ethylene oxide units is 1 to 45, and so on.
  • alkoxylated alcohols are formed by the reaction of fatty acids and mono-, di- or polyhydric alcohols with an alkylene oxide.
  • Examples include polymeric alkylene glycols reacted with glyceryl fatty acid esters such as PEG glyceryl oleates, PEG glyceryl stearate; or PEG polyhydroxyalkanotes such as PEG dipolyhydroxystearate wherein the number of repeating ethylene glycol units ranges from 3 to 1000.
  • nonionic surfactants are formed by the reaction of a carboxylic acid with an alkylene oxide or with a polymeric ether.
  • the resulting products have the general formula: where RCO is the carboxylic ester radical, X is hydrogen or lower alkyl, and n is the number of polymerized alkoxy groups. In the case of the diesters, the two RCO-groups do not need to be identical.
  • R is a C6-30 straight or branched chain, saturated or unsaturated alkyl, and n is from 1-100.
  • Monomeric, homopolymeric, or block copolymeric ethers are also suitable as nonionic surfactants.
  • ethers are formed by the polymerization of monomeric alkylene oxides, generally ethylene or propylene oxide.
  • Such polymeric ethers have the following general formula: wherein R is H or lower alkyl and n is the number of repeating monomer units, and ranges from 1 to 500.
  • Suitable nonionic surfactants include alkoxylated sorbitan and alkoxylated sorbitan derivatives.
  • alkoxylation, in particular ethoxylation of sorbitan provides polyalkoxylated sorbitan derivatives.
  • Esterification of polyalkoxylated sorbitan provides sorbitan esters such as the polysorbates.
  • the polyalkyoxylated sorbitan can be esterif ⁇ ed with C 6 -3o, preferably C12-22 fatty acids.
  • ingredients include Polysorbates 20-85, sorbitan oleate, sorbitan sesquioleate, sorbitan palmitate, sorbitan sesquiisostearate, sorbitan stearate, and so on.
  • Certain types of amphoteric, zwitterionic, or cationic surfactants may also be used in the compositions. Descriptions of such surfactants are set forth in U.S. Pat. No. 5,843,193, which is hereby incorporated by reference in its entirety.
  • the composition may contain one or more oil phase structuring agents in the oil phase of the emulsion or anhydrous composition.
  • oil phase structuring agent means an ingredient or combination of ingredients, soluble or dispersible in the oil phase, which will increase the viscosity, or structure, the oil phase.
  • the structuring agent may be present in an amount sufficient to provide a liquid composition with increased viscosity, a semi-solid, or in some cases a solid composition that may be self-supporting.
  • the structuring agent itself may be present in the liquid, semi-solid, or solid form. Suggested ranges of structuring agent are from about 0.01 to 70%, preferably from about 0.05 to 50%, more preferably from about 0.1-35% by weight of the total composition.
  • Suitable oil phase structuring agents include those that are silicone based or organic based. They may be polymers or non-polymers, synthetic, natural, or a combination of both.
  • oil phase structuring agents may be silicone based, such as silicone elastomers, silicone gums, silicone waxes, linear silicones having a degree of polymerization that provides the silicone with a degree of viscosity such that when incorporated into the cosmetic composition it is capable of increasing the viscosity of the oil phase.
  • silicone structuring agents include, but are not limited to:
  • Silicone elastomers suitable for use in the compositions of the invention include those that are formed by addition reaction-curing, by reacting an SiH-containing diorganosiloxane and an organopolysiloxane having terminal olefmic unsaturation, or an alpha-omega diene hydrocarbon, in the presence of a platinum metal catalyst.
  • Such elastomers may also be formed by other reaction methods such as condensation-curing organopolysiloxane compositions in the presence of an organotin compound via a dehydrogenation reaction between hydroxyl-terminated diorganopolysiloxane and SiH-containing diorganopolysiloxane or alpha omega diene; or by condensation-curing organopolysiloxane compositions in the presence of an organotin compound or a titanate ester using a condensation reaction between an hydroxyl-terminated diorganopolysiloxane and a hydrolysable organosiloxane; peroxide- curing organopolysiloxane compositions which thermally cure in the presence of an organoperoxide catalyst.
  • One type of elastomer that may be suitable is prepared by addition reaction-curing an organopolysiloxane having at least 2 lower alkenyl groups in each molecule or an alpha- omega diene; and an organopolysiloxane having at least 2 silicon-bonded hydrogen atoms in each molecule; and a platinum-type catalyst. While the lower alkenyl groups such as vinyl, can be present at any position in the molecule, terminal olefmic unsaturation on one or both molecular terminals is preferred.
  • the molecular structure of this component may be straight chain, branched straight chain, cyclic, or network.
  • organopolysiloxanes are exemplified by methylvinylsiloxanes, methylvinylsiloxane-dimethylsiloxane copolymers, dimethylvinylsiloxy-terminated dimethylpolysiloxanes, dimethylvinylsiloxy-terminated dimethylsiloxane-methylphenylsiloxane copolymers, dimethylvinylsiloxy-terminated dimethylsiloxane-diphenylsiloxane-methylvinylsiloxane copolymers, trimethylsiloxy- terminated dimethylsiloxane-methylvinylsiloxane copolymers, trimethylsiloxy-terminated dimethylsiloxane-methylphenylsiloxane-methylvinylsiloxane copolymers, dimethylvinylsiloxy-terminated methyl(3,3,3-trifluoropropyl) polysiloxanes, and dimethyl
  • Curing proceeds by the addition reaction of the silicon-bonded hydrogen atoms in the dimethyl methylhydrogen siloxane, with the siloxane or alpha-omega diene under catalysis using the catalyst mentioned herein.
  • the methyl hydrogen siloxane must contain at least 2 silicon-bonded hydrogen atoms in each molecule in order to optimize function as a crosslinker.
  • the catalyst used in the addition reaction of silicon-bonded hydrogen atoms and alkenyl groups is concretely exemplified by chloroplatinic acid, possibly dissolved in an alcohol or ketone and this solution optionally aged, chloroplatinic acid-olefm complexes, chloroplatinic acid-alkenylsiloxane complexes, chloroplatinic acid-diketone complexes, platinum black, and carrier-supported platinum.
  • Suitable silicone elastomers for use in the compositions of the invention may be in the powder form, or dispersed or solubilized in solvents such as volatile or nonvolatile silicones, or silicone compatible vehicles such as paraffinic hydrocarbons or esters.
  • silicone elastomer powders include vinyl dimethicone/methicone silesquioxane crosspolymers like Shin-Etsu's KSP-100, KSP-101, KSP- 102, KSP- 103, KSP- 104, KSP- 105, hybrid silicone powders that contain a fluoroalkyl group like Shin-Etsu's KSP-200 which is a fluoro-silicone elastomer, and hybrid silicone powders that contain a phenyl group such as Shin-Etsu's KSP-300, which is a phenyl substituted silicone elastomer; and Dow Coming's DC 9506.
  • silicone elastomer powders dispersed in a silicone compatible vehicle examples include dimethicone/vinyl dimethicone crosspolymers supplied by a variety of suppliers including Dow Corning Corporation under the tradenames 9040 or 9041, GE Silicones under the tradename SFE 839, or Shin-Etsu Silicones under the tradenames KSG-15, 16, 18.
  • KSG- 15 has the CTFA name cyclopentasiloxane/dimethicone/vinyl dimethicone crosspolymer.
  • KSG- 18 has the INCI name phenyl trimethicone/dimethicone/phenyl vinyl dimethicone crossoplymer.
  • Silicone elastomers may also be purchased from Grant Industries under the Gransil trademark. Also suitable are silicone elastomers having long chain alkyl substitutions such as lauryl dimethicone/vinyl dimethicone crosspolymers supplied by Shin Etsu under the tradenames KSG-31, KSG-32, KSG-41, KSG-42, KSG-43, and KSG-44.
  • Cross-linked organopolysiloxane elastomers useful in the present invention and processes for making them are further described in U.S. Pat. No. 4,970,252 to Sakuta et al, issued Nov. 13, 1990; U.S. Pat. No. 5,760,116 to Kilgour et al., issued Jun.
  • silicone gums are also suitable for use as an oil phase structuring agent.
  • the term "gum” means a silicone polymer having a degree of polymerization sufficient to provide a silicone having a gum-like texture. In certain cases the silicone polymer forming the gum may be crosslinked.
  • the silicone gum typically has a viscosity ranging from about 500,000 to 100 million cst at 25° C, preferably from about 600,000 to 20 million, more preferably from about 600,000 to 12 million cst. All ranges mentioned herein include all subranges, e.g. 550,000; 925,000; 3.5 million.
  • silicone gums that are used in the compositions include, but are not limited to, those of the general formula wherein: X-
  • Ri to Rg are each independently an alkyl having 1 to 30 carbon atoms, aryl, or aralkyl; and X is OH or a C 1-30 alkyl, or vinyl; and wherein x, y, or z may be zero with the proviso that no more than two of x, y, or z are zero at any one time, and further that x, y, and z are such that the silicone gum has a viscosity of at least about 500,000 cst, ranging up to about 100 million centistokes at 25° C. Preferred is where R is methyl or OH.
  • Such silicone gums may be purchased in pure form from a variety of silicone manufacturers including Wacker-Chemie or Dow Corning, and the like.
  • Such silicone gums include those sold by Wacker-Belsil under the trade names CM3092, Wacker-Belsil 1000, or Wacker-Belsil DM 3096.
  • a silicone gum where X is OH, also referred to as dimethiconol, is available from Dow Corning Corporation under the trade name 1401.
  • the silicone gum may also be purchased in the form of a solution or dispersion in a silicone compatible vehicle such as volatile or nonvolatile silicone.
  • An example of such a mixture may be purchased from Barnet Silicones under the HL-88 tradename, having the INCI name dimethicone.
  • Silicone Waxes Another type of oily phase structuring agent includes silicone waxes that are typically referred to as alkyl silicone waxes which are semi-solids or solids at room temperature.
  • alkyl silicone wax means a polydimethylsiloxane having a substituted long chain alkyl (such as C16 to 30) that confers a semi-solid or solid property to the siloxane.
  • examples of such silicone waxes include stearyl dimethicone, which may be purchased from DeGussa Care & Surface Specialties under the tradename Abil Wax 9800 or from Dow Corning under the tradename 2503.
  • Another example is bis-stearyl dimethicone, which may be purchased from Gransil Industries under the tradename Gransil A-18, or behenyl dimethicone, behenoxy dimethicone.
  • Polyamides or Silicone Polyamides Also suitable as oil phase structuring agents are various types of polymeric compounds such as polyamides or silicone polyamides.
  • silicone polyamide means a polymer comprised of silicone monomers and monomers containing amide groups as further described herein.
  • the silicone polyamide preferably comprises moieties of the general formula:
  • X is a linear or branched alkylene having from about 1-30 carbon atoms
  • R 1 , R 2 , R 3 , and R 4 are each independently Ci_ 3 o straight or branched chain alkyl which may be substituted with one or more hydroxyl or halogen groups
  • phenyl which may be substituted with one or more Ci_ 3 o alkyl groups, halogen, hydroxyl, or alkoxy groups
  • siloxane chain having the general formula:
  • R 5 , R 6 , and R 7 are each independently a C 1-10 linear or branched alkylenes, and T is CRg wherein Rg is hydrogen, a trivalent atom N, P, or Al, or a Ci_ 30 straight or branched chain alkyl which may be substituted with one or more hydroxyl or halogen groups; phenyl which may be substituted with one or more Ci_ 30 alkyl groups, halogen, hydroxyl, or alkoxy groups; or a siloxane chain having the general formula: Ri Si-O)
  • R 1 , R 2 , R 3 , and R 4 are C 1-10 , preferably methyl; and X and Y is a linear or branched alkylene.
  • a and b are each independently sufficient to provide a silicone polyamide polymer having a melting point ranging from about 60 to 120° C, and a molecular weight ranging from about 40,000 to 500,000 Daltons.
  • silicone polyamide that may be used in the compositions of the invention may be purchased from Dow Corning Corporation under the tradename Dow Corning 2-8178 gellant which has the CTFA name nylon-611/dimethicone copolymer which is sold in a composition containing PPG-3 myristyl ether.
  • polyamides such as those purchased from Arizona Chemical under the tradenames Uniclear and Sylvaclear.
  • Such polyamides may be ester terminated or amide terminated. Examples of ester terminated polyamides include, but are not limited to those having the general formula:
  • n denotes a number of amide units such that the number of ester groups ranges from about 10% to 50% of the total number of ester and amide groups
  • each Ri is independently an alkyl or alkenyl group containing at least 4 carbon atoms
  • each R 2 is independently a C 4 _ 42 hydrocarbon group, with the proviso that at least 50% of the R 2 groups are a C30-42 hydrocarbon
  • each R 3 is independently an organic group containing at least 2 carbon atoms, hydrogen atoms and optionally one or more oxygen or nitrogen atoms
  • each R 4 is independently a hydrogen atom, a C 1-10 alkyl group or a direct bond to R 3 or to another R 4 , such that the nitrogen atom to which R 3 and R 4 are both attached forms part of a heterocyclic structure defined by R4-N-
  • ester and amide terminated polyamides that may be used as oil phase gelling agents include those sold by Arizona Chemical under the tradenames Sylvaclear A200V or A2614V, both having the CTFA name ethylenediamine/hydrogenated dimer dilinoleate copolymer/bis-di-Ci 4 _i8 alkyl amide; Sylvaclear AF1900V; Sylvaclear C75V having the CTFA name bis-stearyl ethylenediamine/neopentyl glycol/stearyl hydrogenated dimer dilinoleate copolymer; Sylvaclear PA1200V having the CTFA name Polyamide-3; Sylvaclear PE400V; Sylvaclear WF 1500V; or Uniclear, such as Uniclear IOOVG having the INCI name ethylenediamine/stearyl dimer dilinoleate copolymer; or ethylenediamine/stearyl dimer ditallate copoly
  • Natural or Synthetic Organic Waxes also suitable as the oil phase structuring agent may be one or more natural or synthetic waxes such as animal, vegetable, or mineral waxes. Preferably such waxes will have a higher melting point such as from about 60 to 150° C, more preferably from about 65 to 100° C.
  • waxes examples include waxes made by Fischer- Tropsch synthesis, such as polyethylene or synthetic wax; or various vegetable waxes such as bayberry, candelilla, ozokerite, acacia, beeswax, ceresin, cetyl esters, flower wax, citrus wax, carnauba wax, jojoba wax, japan wax, polyethylene, microcrystalline, rice bran, lanolin wax, mink, montan, bayberry, ouricury, ozokerite, palm kernel wax, paraffin, avocado wax, apple wax, shellac wax, clary wax, spent grain wax, grape wax, and polyalkylene glycol derivatives thereof such as PEG6-20 beeswax, or PEG- 12 carnauba wax; or fatty acids or fatty alcohols, including esters thereof, such as hydroxystearic acids (for example 12-hydroxy stearic acid), tristearin, tribehenin, oleic acid, stearic acid, and so on.
  • hydroxystearic acids for
  • Montmorillonite Minerals One type of structuring agent that may be used in the composition comprises natural or synthetic montmorillonite minerals such as hectorite, bentonite, and quaternized derivatives thereof, which are obtained by reacting the minerals with a quaternary ammonium compound, such as stearalkonium bentonite, hectorites, quaternized hectorites such as Quaternium-18 hectorite, attapulgite, carbonates such as propylene carbonate, bentones, and the like.
  • a quaternary ammonium compound such as stearalkonium bentonite, hectorites, quaternized hectorites such as Quaternium-18 hectorite, attapulgite
  • carbonates such as propylene carbonate, bentones, and the like.
  • silica silica, silicates, or silica silylate, and alkali metal or alkaline earth metal derivatives thereof.
  • silicas and silicates are generally found in the particulate form and include silica, silica silylate, magnesium aluminum silicate, and the like.
  • humectants may range from about 0.001 to 25%, preferably from about 0.005 to 20%, more preferably from about 0.1 to 15% by weight of the total composition.
  • suitable humectants include glycols in monomeric or polymeric form such as polyethylene and polypropylene glycols such as PEG 4-200, which are polyethylene glycols having from 4 to 200 repeating ethylene oxide units; as well as Ci_6 alkylene glycols such as propylene glycol, butylene glycol, pentylene glycol, ethylhexylglycerin, trehalose, trehalose dihydrdate, and the like.
  • the humectants used in the composition of the invention are C 1-6 , preferably C 2 - 4 alkylene glycols, most particularly butylene glycol.
  • compositions of the invention contain an aqueous phase it may be desirable to include one or more aqueous phase structuring agents in the composition.
  • aqueous phase structuring agents will typically thicken or increase the viscosity of the aqueous phase. If present, suggested ranges are from about 0.01 to 30%, preferably from about 0.1 to 20%, more preferably from about 0.5 to 15% by weight of the total composition. Examples of such agents include various acrylate based thickening agents, natural or synthetic gums, and the like. 1. Acrylate Polymers
  • acrylic polymeric thickeners comprised of monomers A and B wherein A is selected from the group consisting of acrylic acid, methacrylic acid, and mixtures thereof; and B is selected from the group consisting of a Ci_ 22 alkyl acrylate, a Ci_ 22 alky methacrylate, and mixtures thereof are suitable.
  • the A monomer comprises one or more of acrylic acid or methacrylic acid
  • the B monomer is selected from the group consisting of a C 1-10 , most preferably Ci_4 alkyl acrylate, a C 1-10 , most preferably Ci_4 alkyl methacrylate, and mixtures thereof.
  • the B monomer is one or more of methyl or ethyl acrylate or methacrylate.
  • the acrylic copolymer may be supplied in an aqueous solution having a solids content ranging from about 10-60%, preferably 20-50%, more preferably 25- 45% by weight of the polymer, with the remainder water.
  • the composition of the acrylic copolymer may contain from about 0. 1-99 parts of the A monomer, and about 0.1-99 parts of the B monomer.
  • Acrylic polymer solutions include those sold by Seppic, Inc., under the tradename Capigel.
  • acrylic polymeric thickeners that are copolymer of A, B, and C monomers wherein A and B are as defined above, and C has the general formula:
  • Z is -(CH 2 ) m ; wherein m is 1-10, n is 2-3, o is 2-200, and R is a C 10-30 straight or branched chain alkyl.
  • Examples of the secondary thickening agent above are copolymers where A and B are defined as above, and C is CO, and wherein n, o, and R are as above defined.
  • Examples of such secondary thickening agents include acrylates/steareth-20 methacrylate copolymer, which is sold by Rohm & Haas under the tradename Acrysol ICS-I .
  • Also suitable are acrylate based anionic amphiphilic polymers containing at least one hydrophilic unit and at least one allyl ether unit containing a fatty chain.
  • hydrophilic unit contains an ethylenically unsaturated anionic monomer, more specificially a vinyl carboxylic acid such as acrylic acid, methacrylic acid or mixtures thereof, and where the allyl ether unit containing a fatty chain corresponds to the monomer of formula:
  • R denotes H or CH 3
  • B denotes the ethylenoxy radical
  • n is zero or an integer ranging from 1 to 100
  • R denotes a hydrocarbon radical selected from alkyl, arylalkyl, aryl, alkylaryl and cycloalkyl radicals which contain from 8 to 30 carbon atoms, preferably from 10 to 24, and even more particularly from 12 to 18 carbon atoms. More preferred in this case is where R denotes H, n is equal to 10 and R denotes a stearyl (C 18) radical.
  • Anionic amphiphilic polymers of this type are described and prepared in U.S. Patent Nos.
  • anionic amphiphilic polymers polymers formed of 20 to 60% by weight acrylic acid and/or methacrylic acid, of 5 to 60% by weight lower alkyl methacrylates, of 2 to 50% by weight allyl ether containing a fatty chain as mentioned above, and of 0 to 1% by weight of a crosslinking agent which is a well-known copolymerizable polyethylenic unsaturated monomer, for instance diallyl phthalate, allyl (meth)acrylate, divinylbenzene, (poly)ethylene glycol dimethacrylate and methylenebisacrylamide.
  • a crosslinking agent which is a well-known copolymerizable polyethylenic unsaturated monomer, for instance diallyl phthalate, allyl (meth)acrylate, divinylbenzene, (poly)ethylene glycol dimethacrylate and methylenebisacrylamide.
  • polymers are crosslinked terpolymers of methacrylic acid, of ethyl acrylate, of polyethylene glycol (having 10 EO units) ether of stearyl alcohol or steareth-10, in particular those sold by the company Allied Colloids under the names SALCARE SC80 and SALCARE SC90, which are aqueous emulsions containing 30% of a crosslinked terpolymer of methacrylic acid, of ethyl acrylate and of steareth-10 allyl ether (40/50/10).
  • acrylate copolymers such as Polyacrylate-3 which is a copolymer of methacrylic acid, methylmethacrylate, methylstyrene isopropylisocyanate, and PEG-40 behenate monomers; Polyacrylate-10 which is a copolymer of sodium acryloyldimethyltaurate, sodium acrylate, acrylamide and vinyl pyrrolidone monomers; or Polyacrylate-11, which is a copolymer of sodium acryloyldimethylacryloyldimethyl taurate, sodium acrylate, hydroxyethyl acrylate, lauryl acrylate, butyl acrylate, and acrylamide monomers.
  • Polyacrylate-3 which is a copolymer of methacrylic acid, methylmethacrylate, methylstyrene isopropylisocyanate, and PEG-40 behenate monomers
  • Polyacrylate-10 which is a copolymer of sodium acryloyldi
  • crosslinked acrylate based polymers where one or more of the acrylic groups may have substituted long chain alkyl (such as 6-40, 10-30, and the like) groups, for example acrylates/Cio-30 alkyl acrylate crosspolymer which is a copolymer of C 10-30 alkyl acrylate and one or more monomers of acrylic acid, methacrylic acid, or one of their simple esters crosslinked with the allyl ether of sucrose or the allyl ether of pentaerythritol.
  • Such polymers are commonly sold under the Carbopol or Pemulen tradenames.
  • acrylate based polymeric thickeners sold by Clariant under the Aristoflex trademark such as Aristoflex AVC, which is ammonium acryloyldimethyltaurate/VP copolymer; Aristoflex AVL which is the same polymer has found in AVC dispersed in mixture containing caprylic/capric triglyceride, trilaureth-4, and polyglyceryl-2 sesquiisostearate; or Aristoflex HMB which is ammonium acryloyldimethyltaurate/beheneth-25 methacrylate crosspolymer, and the like.
  • Aristoflex AVC ammonium acryloyldimethyltaurate/VP copolymer
  • Aristoflex AVL which is the same polymer has found in AVC dispersed in mixture containing caprylic/capric triglyceride, trilaureth-4, and polyglyceryl-2 sesquiisostearate
  • Aristoflex HMB ammonium acryloyldimethylt
  • aqueous phase thickening agents are various polyethylene glycols (PEG) derivatives where the degree of polymerization ranges from 1,000 to 200,000. Such ingredients are indicated by the designation "PEG” followed by the degree of polymerization in thousands, such as PEG-45M, which means PEG having 45,000 repeating ethylene oxide units.
  • PEG derivatives include PEG 2M, 5M, 7M, 9M, 14M, 2OM, 23M, 25M, 45M, 65M, 9OM, 115M, 160M, 180M, and the like.
  • polyglycerins which are repeating glycerin moieties where the number of repeating moieties ranges from 15 to 200, preferably from about 20-100.
  • suitable polyglycerins include those having the CFTA names polyglycerin-20, polyglycerin- 40, and the like.
  • aqueous phase thickening agents are various types of polysaccharides, such as xanthan gum, cellulose, dextrin, cyclodextrin, hydroxyethylcellulose, acacia gum, and the like.
  • compositions may be desirable to include one or more botanical extracts in the compositions in addition to those botanical extracts that have kinase inhibitor activity. If so, suggested ranges are from about 0.0001 to 10%, preferably about 0.0005 to 8%, more preferably about 0.001 to 5% by weight of the total composition.
  • Suitable botanical extracts include extracts from plants (herbs, roots, flowers, fruits, seeds) such as flowers, fruits, vegetables, and so on, including yeast ferment extract, padica pavonica extract, thermus thermophilis ferment extract, camelina sativa seed oil, boswellia serrata extract, olive extract, aribodopsis thaliana extract, acacia dealbata extract, acer saccharinum (sugar maple), acidopholus, acorus, aesculus, agaricus, agave, agrimonia, algae, aloe, citrus, brassica, cinnamon, orange, apple, blueberry, cranberry, peach, pear, lemon, lime, pea, seaweed, caffeine, green tea, chamomile, willowbark, mulberry, rosemary, poppy, and the like.
  • compositions of the invention may contain particulate materials in the form of pigments, inert particulates, or mixtures thereof. If present, suggested ranges are from about 0.1-75%, preferably about 0.5-70%, more preferably about 0.1-65% by weight of the total composition. In the case where the composition may comprise mixtures of pigments and powders, suitable ranges include about 0.01-75% pigment and 0.1-75% powder, such weights by weight of the total composition.
  • the particulate matter may be colored or non-colored (for example white) non- pigmentatious powders.
  • Suitable non-pigmentatious powders include bismuth oxychloride, titanated mica, fumed silica, spherical silica, polymethylmethacrylate, micronized teflon, boron nitride, acrylate copolymers, aluminum silicate, aluminum starch octenylsuccinate, bentonite, calcium silicate, cellulose, chalk, corn starch, diatomaceous earth, fuller's earth, glyceryl starch, hectorite, hydrated silica, kaolin, magnesium aluminum silicate, magnesium trisilicate, maltodextrin, montmorillonite, microcrystalline cellulose, rice starch, silica, talc, mica, titanium dioxide, zinc laurate, zinc myristate, zinc rosinate, alumina, attapulgite, calcium carbonate, calcium silicate, dextran
  • the particulate materials may comprise various organic and/or inorganic pigments.
  • the organic pigments are generally various aromatic types including azo, indigoid, triphenylmethane, anthroquinone, and xanthine dyes which are designated as D&C and FD&C blues, browns, greens, oranges, reds, yellows, etc.
  • Organic pigments generally consist of insoluble metallic salts of certified color additives, referred to as the Lakes.
  • Inorganic pigments include iron oxides, ultramarines, chromium, chromium hydroxide colors, and mixtures thereof. Iron oxides of red, blue, yellow, brown, black, and mixtures thereof are suitable. I. Preservatives
  • the composition may contain 0.001-8%, preferably 0.01-6%, more preferably 0.05-5% by weight of the total composition of preservatives.
  • preservatives include such as benzoic acid, benzyl alcohol, benzylhemiformal, benzylparaben, 5-bromo-5- nitro-l,3-dioxane, 2-bromo-2-nitropropane-l,3-diol, butyl paraben, phenoxyethanol, methyl paraben, propyl paraben, diazolidinyl urea, calcium benzoate, calcium propionate, caprylyl glycol, biguanide derivatives, phenoxyethanol, captan, chlorhexidine diacetate, chlorhexidine digluconate, chlorhexidine dihydrochloride, chloroacetamide, chlorobutanol, p-chloro-m- cresol, chlorophene, chlorothymol, chloroxylenol,
  • compositions of the invention may contain vitamins and/or coenzymes, as well as antioxidants. If so, 0.001-10%, preferably 0.01-8%, more preferably 0.05-5% by weight of the total composition are suggested.
  • Suitable vitamins include ascorbic acid and derivatives thereof, the B vitamins such as thiamine, riboflavin, pyridoxin, panthenol, and so on, as well as coenzymes such as thiamine pyrophoshate, flavin adenin dinucleotide, folic acid, pyridoxal phosphate, tetrahydro folic acid, and so on. Also Vitamin A and derivatives thereof are suitable.
  • Vitamin A palmitate, acetate, or other esters thereof examples are Vitamin A palmitate, acetate, or other esters thereof, as well as Vitamin A in the form of beta carotene.
  • Vitamin E and derivatives thereof such as Vitamin E acetate, nicotinate, or other esters thereof.
  • Vitamins D and K are suitable.
  • Suitable antioxidants are ingredients which assist in preventing or retarding spoilage.
  • antioxidants suitable for use in the compositions of the invention are potassium sulfite, sodium bisulfite, sodium erythrobate, sodium metabisulf ⁇ te, sodium sulfite, propyl gallate, cysteine hydrochloride, butylated hydroxytoluene, butylated hydroxyanisole, and so on.
  • the polymers may range from about 0.01 to 85%, preferably from about 0.1 to 75%, preferably from about 0.5 to 40% by weight of the total compositions.
  • Such polymers may silicones, copolymers of silicones and organic groups, or polymers or copolymers containing entirely organic groups.
  • organic monomers examples include styrene, vinyl pyrrolidone, acrylic or methacrylic acid or its C 1-10 simple esters such as methyl methacrylate, methylacrylate, ethyl methacrylate, ethylacrylate, butyl acrylate, butyl methacrylate, and so on.
  • the organic monomers may be neutralized with sales such as ammonia, sodium, potassium, and the like (e.g. ammonium acrylate, ammonium methacrylate, sodium acrylate, sodium methacrylate, and the like).
  • the organic monomers may be copolymerized with other organic ingredients such as glycols, fatty acids, esters like those mentioned herein.
  • Suitable film forming polymers also include copolymers of organic monomers and silicone, including a class of polymers generally referred to as silicone acrylate copolymers.
  • silicone acrylate copolymers include polydimethylsiloxane-g-polyacrylates sold by 3M Company under the tradename VS-70.
  • silicone film forming polymers including a group of silicones referred as silicone resins (trimethylsiloxysilicate or polymethylsilsesquioxane).
  • silicone resins trimethylsiloxysilicate or polymethylsilsesquioxane
  • the invention also includes a method for improving the adhesion of cosmetic compositions to keratinous surfaces, in particular skin, lips, or lashes and brows, by applying a cosmetic composition comprising a composite particle containing a surface component and an internal component, wherein the surface component has a net positive charge and the internal component has a charge that is the same or different from the surface component charge, and wherein the net positive charge of the surface component causes the composition to exhibit improved adhesion to the negatively charged skin, lips, or lashes.
  • the compositions where adhesion can be improved include color cosmetic compositions such as blush, eyeshadow, lipstick, lip gloss, foundation makeup, concealer, brow color, eyeliner, and the like. Inclusion of the composite particle particularly improves the adhesion of color cosmetic compositions to the skin, lashes, or lips.
  • the invention also includes a method for filling wrinkles, lines, and skin depressions or cosmetically improving the appearance of aging skin by applying a cosmetic composition comprising a composite particle containing a surface component and an internal component, wherein the surface component has a net positive charge and the internal component has a charge that is the same or different from the surface component charge, and wherein the net positive charge of the surface component causes the composition to exhibit improved adhesion to the skin, and the particles improve the appearance of wrinkled, lined, or aging skin.
  • the types of compositions that can be applied include concealer or foundation, where the particles will adhere to the skin surface and fill in skin depressions, wrinkles or lines. The end result is skin with a smoother, more youthful appearance.
  • the invention is also directed to a method for volumizing or thickening lashes by applying to the lashes a composition comprising a composite particle comprised of a surface component and an internal component wherein the surface component has a net positive charge and the internal component has a charge which is the same or different from the surface component charge.
  • a composition comprising a composite particle comprised of a surface component and an internal component wherein the surface component has a net positive charge and the internal component has a charge which is the same or different from the surface component charge.
  • the composition is a mascara which thickens and otherwise provides volume to lashes.
  • the composite particle used in the composition of the invention exhibits improved adherence to the lashes and the particle bulk improves volume and thicknesss.
  • the invention is also directed to a method for plumping lips comprising applying to the lips a composition comprising a composite particle comprised of a surface component and an internal component wherein the surface component has a net positive charge and the internal component has a charge which is the same or different from the surface component charge.
  • the lip plumping compositions may be in the form of lipstick, lip gloss, lip treatment products, and the like. The fullness of the particles will provide an appearance of fuller lips.
  • compositions may be in the form of skin creams or lotions, toners, gels, facial cleansing compositions, blush, eyeshadow, eyeliner, mascara, foundation, concealer, nail enamel, and so on.
  • facial cleansing compositions blush, eyeshadow, eyeliner, mascara, foundation, concealer, nail enamel, and so on.
  • color cosmetic compositions such as blush, eyeshadow, eyeliner, mascara, foundation, concealer, nail enamel, and the like.
  • Suitable foundation makeup, concealer, blush, eyeshadow, or eyeliner compositions are generally in the anhydrous powder or liquid emulsion form having water, oil, pigments and, in the case where the compositions are in the emulsion form, optionally at least one surfactant, in the percentage ranges as set forth herein.
  • Suitable mascara compositions may be anhydrous or in the emulsion form.
  • the composition will contain pigments, oils, and oil phase structuring agents in the amounts set forth herein.
  • the composition may contain water, pigments, oils, and at least one surfactant.
  • the mascara composition is present in the oil in water emulsion form.
  • Suitable lip plumping compositions include lipstick, lip gloss, lip treatment products and the like. Such compositions may be in the aqueous emulsion form, containing water, oil, and pigments in the amounts set forth herein. More often lip plumping compositions will be in the anhydrous form, containing pigments, oils, and oil phase structuring agents in the amounts set forth herein.
  • Skin creams and lotions are preferably in the emulsion form, containing ranges of water and oil as set forth herein.
  • the compositions exhibit improved effectiveness in filling skin wrinkles, lines, or depressions and otherwise cosmetically improving the appearance of skin.
  • compositions were prepared by grinding the pigments in a portion of the oil.
  • the water and oil phase ingredients were separately combined and emulsified well to form an emulsion.
  • a lipstick was made as follows:
  • a concealer composition was prepared as follows:
  • the composition was prepared by combining the oil phase ingredients. Separately the water phase ingredients were combined. The pigments and powders were combined in a portion of the oil and mixed well. The water phase was added to the oil and pigment phase with mixing to provide an emulsion.
  • the composition was prepared by separately grinding the pigments in a portion of the oil. Separately the oils and waxes were combined and heating to melting temperature. The ground pigments were mixed into the molten oil and wax combination and the composition was poured into molds and allowed to cool.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Cosmetics (AREA)

Abstract

L'invention porte sur une composition cosmétique comprenant des particules composites contenant un composant de surface et un composant interne, le composant de surface ayant une charge nette positive et le composant interne ayant une charge qui est identique à ou différente de la charge de composant de surface, sur un procédé d'amélioration de l'aspect des rides ou du creusement de la peau, d'augmentation de volume et d'épaississement des cils, de gonflement des lèvres et d'amélioration de l'adhésion de compositions cosmétiques.
PCT/US2008/080084 2007-10-19 2008-10-16 Procédés et compositions pour améliorer l'aspect de surfaces kératiniques WO2009052239A2 (fr)

Applications Claiming Priority (2)

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US98112307P 2007-10-19 2007-10-19
US60/981,123 2007-10-19

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WO2009052239A3 WO2009052239A3 (fr) 2009-07-30

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2947725A1 (fr) * 2009-07-07 2011-01-14 Oreal Procede de lissage de la peau par comblement de portions en creux
FR2947726A1 (fr) * 2009-07-07 2011-01-14 Oreal Procede de lissage de la peau par comblement de portions en creux
WO2012001173A1 (fr) * 2010-07-02 2012-01-05 L'oreal Procédé de remplissage d'imperfections de la peau
US20120020907A1 (en) * 2010-06-29 2012-01-26 L'oreal S.A. Long-wear mascara composition
CN104198717A (zh) * 2014-08-30 2014-12-10 中国科学院苏州生物医学工程技术研究所 一种浓缩葡萄糖检测试剂冻干微球及其制备方法
CN104215753A (zh) * 2014-08-30 2014-12-17 中国科学院苏州生物医学工程技术研究所 一种浓缩二氧化碳结合力检测试剂冻干微球及其制备方法
EP2243463A3 (fr) * 2009-04-17 2015-01-07 Beiersdorf AG Mascara doté de propriétés rhéologiques améliorées

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US5840293A (en) * 1988-11-16 1998-11-24 Advanced Polymer Systems, Inc. Ionic beads for controlled release and adsorption
US20040177789A1 (en) * 2002-12-17 2004-09-16 Lilia Heider Inorganic spherical absorption pigments

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5840293A (en) * 1988-11-16 1998-11-24 Advanced Polymer Systems, Inc. Ionic beads for controlled release and adsorption
US20040177789A1 (en) * 2002-12-17 2004-09-16 Lilia Heider Inorganic spherical absorption pigments

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2243463A3 (fr) * 2009-04-17 2015-01-07 Beiersdorf AG Mascara doté de propriétés rhéologiques améliorées
FR2947725A1 (fr) * 2009-07-07 2011-01-14 Oreal Procede de lissage de la peau par comblement de portions en creux
FR2947726A1 (fr) * 2009-07-07 2011-01-14 Oreal Procede de lissage de la peau par comblement de portions en creux
WO2011003770A3 (fr) * 2009-07-07 2011-03-03 L'oreal Procédé de lissage de la peau par remplissage de ses cavités
WO2011003771A3 (fr) * 2009-07-07 2011-03-03 L'oreal Procédé de lissage de la peau par remplissage de ses cavités
US20120020907A1 (en) * 2010-06-29 2012-01-26 L'oreal S.A. Long-wear mascara composition
WO2012001173A1 (fr) * 2010-07-02 2012-01-05 L'oreal Procédé de remplissage d'imperfections de la peau
FR2962036A1 (fr) * 2010-07-02 2012-01-06 Oreal Procede de comblement des imperfections de relief en creux
CN104198717A (zh) * 2014-08-30 2014-12-10 中国科学院苏州生物医学工程技术研究所 一种浓缩葡萄糖检测试剂冻干微球及其制备方法
CN104215753A (zh) * 2014-08-30 2014-12-17 中国科学院苏州生物医学工程技术研究所 一种浓缩二氧化碳结合力检测试剂冻干微球及其制备方法

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