US20150053224A1 - Dropper device for controlled distribution of a make-up product - Google Patents

Dropper device for controlled distribution of a make-up product Download PDF

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Publication number
US20150053224A1
US20150053224A1 US13/975,606 US201313975606A US2015053224A1 US 20150053224 A1 US20150053224 A1 US 20150053224A1 US 201313975606 A US201313975606 A US 201313975606A US 2015053224 A1 US2015053224 A1 US 2015053224A1
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United States
Prior art keywords
composition
weight
pipette
dropper device
face
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Abandoned
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US13/975,606
Inventor
Johan LUNDIN
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LOreal SA
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LOreal SA
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Priority to US13/975,606 priority Critical patent/US20150053224A1/en
Publication of US20150053224A1 publication Critical patent/US20150053224A1/en
Abandoned legal-status Critical Current

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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
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
    • B65D51/32—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with brushes or rods for applying or stirring contents

Definitions

  • the purpose of the invention is distribution and application of face makeup compositions with low and even very low viscosity. More specifically, the invention relates to a dropper device for controlled distribution of a fluid face make-up composition with very low viscosity.
  • the dropper device of the invention is adapted for face make-up compositions having viscosity of, for example, less than 0.5 Pa ⁇ s at 25° C., preferably less than 0.3 Pa ⁇ s, in particular less than 0.2 Pa ⁇ s, and even preferably less than 0.1 Pa ⁇ s at 25° C.
  • Foundations are commonly used to give the skin, in particular the face, color and an esthetic effect.
  • These makeup products generally contain oils, pigments, fillers, and other cosmetic additives.
  • the consumers are increasingly looking for new face make-up compositions that can be spread easily and quickly on the skin in the form of a deposit that does not have to be thick, but that instead fuses as much as possible with the skin for a coverage with no trace nor mask effect. And they search for fluid and light galenics for thin film, easily to apply and with good comfort and wear properties (mattness wear, color wear, homogeneous deposit, non greasy nor sticky feeling).
  • the purpose of the invention is to satisfy these needs.
  • the applicant discovers that a specific dropper device with a pipette may answer these expectations. It permits to distribute a face make-up composition even with a very low viscosity ( ⁇ 0.2 Pa ⁇ s at 25° C. and even ⁇ 0.1 Pa ⁇ s at 25° C.) with a controlled manner (drop by drop) for a non-dirty way of application.
  • the face make-up composition when applied on the skin, fuses with the skin and allows tailor-made buildable coverage with no trace, covering imperfections and perfecting the complexion.
  • the invention relates to a dropper device comprising:
  • the face makeup cosmetic composition stored in the container has a viscosity of less than 0.1 Pa ⁇ s, preferably between 0.05 to 0.08 Pa ⁇ s measured at 25° C.
  • the viscosity of the composition is measured at 25° C. using a Rhéomat 180 (Lamy) fitted with an MS-R1, MS-R2, MS-R, MS-R4 or MS-R5 spindle, selected according to the consistency of the composition, which rotates at a speed of 200 rpm. The measurement is taken after rotation for 10 minutes. The viscosity measurements are carried out no later than 1 week after manufacture.
  • FIG. 1 represents a longitudinal cross section view of a dropper device according to the present invention.
  • controlled distribution means a regular sequence of drops, opposite to an uncontrolled delivery by jet.
  • face make-up composition means as examples a foundation, a perfector complexion, a BB or CC cream, and preferably foundation or perfector complexion.
  • the face make-up composition of the invention is stored in a dropper device comprising a container, a closure member, a pipette attached to the closure member, and a compressible chamber linked to the pipette and configured to expel the product from the pipette when compressed and to suck the product into the pipette when relaxed.
  • a dropper device comprising a container, a closure member, a pipette attached to the closure member, and a compressible chamber linked to the pipette and configured to expel the product from the pipette when compressed and to suck the product into the pipette when relaxed.
  • a dropper device 1 for packaging and dispensing a product comprises a closure member 2 entirely screwed onto a container 3 .
  • the fluid make-up composition is stored in the container 3 .
  • the container 3 comprises an housing extending along a longitudinal axis X, and a neck 4 defining the opening of the container 3 .
  • the neck 4 has a cross section smaller than the section of the housing formed in this container for containing the face make-up composition.
  • a thread 5 is formed around this neck 4 .
  • the container 3 is made for example from glass, or from a thermoplastic material.
  • the container 3 is made from glass.
  • a wiper may advantageously be provided in the neck of the container in order to wipe the excess product deposit on the outside of the pipette when the pipette is withdrawn from the container.
  • the container 3 is closed off by the closure member 2 .
  • the closure member 2 is provided locally on its inner periphery with a thread 6 that is intended to engage with a complementary thread 5 provided on the outer periphery of the neck 4 of the container 3 .
  • the closure member 2 is made for example from a thermoplastic material.
  • the closure member 2 is provided with a central opening which receives a pipette 7 in a tight seal manner.
  • the pipette 7 may be made from glass.
  • the pipette 7 may be produced in one piece with the closure member 2 .
  • the pipette 7 and the closure member 2 may be obtained by injection moulding of a thermoplastic material.
  • the pipette 7 is made from glass.
  • the pipette extends in a rectilinear manner.
  • the free end of the pipette may extend obliquely.
  • the free end of the pipette 7 is dipped in the face make-up composition contained in the container 3 .
  • the free end may form a constriction 9 with respect to the internal cross section of the pipette 7 in order to limit the flow under gravity of the fluid in the pipette 7 .
  • the constriction makes it possible to retain face make-up composition by capillary action.
  • the transversal cross section of the constriction is between 0.2 mm 2 to 3 mm 2 , preferably from 0.5 mm 2 to 2 mm 2 , more preferably from 0.8 mm 2 to 1.7 mm 2 , more preferably from 1 mm 2 to 1.2 mm 2 .
  • the free end of the pipette has a conical form and not a spherical form.
  • the free end of the pipette extends in a rectilinear manner and has a conical form.
  • the opposite end of the pipette is linked in a tight seal manner to a compressible chamber 8 outside the container.
  • the compressible chamber 8 represented in FIG. 1 is a flexible bulb in a relaxed position.
  • the compressible chamber may be made with a piston linked to a push button.
  • the movement of the compressible chamber 8 makes it possible to suck up fluid into the pipette 7 . Then the pipette 7 may be removed from the container 3 and when the compressible chamber 8 is compressed, the face make-up composition contained is the pipette 7 is expelled.
  • the face make-up composition of the invention is not limited to be used with the dropper disclosed above but other actuating mechanism of dropper could be used.
  • actuating mechanism of dropper is disclosed in WO2011154397A1.
  • the face make-up composition is a foundation.
  • the face make-up composition has a viscosity of less than 0.5 Pa ⁇ s, preferably less than 0.3 Pa ⁇ s, more preferably less than 0.2 Pa ⁇ s and even more preferably less than 0.1 Pa ⁇ s measured at 25° C., according to the protocole disclosed above.
  • the face make-up composition has a viscosity between 0.05 Pa ⁇ s and 0.08 Pa ⁇ s measured at 25° C.
  • the face make-up composition comprises less than 20% of water by weight of total weight of the composition, preferably less than 10% by weight, more preferably less than 5% by weight, even more preferably less than 2% by weight, even more preferably less than 1% by weight of total weight of the composition.
  • the face make-up composition comprises a physiologically acceptable medium and coloring materials.
  • the coloring material(s) may be present with a content ranging from 2% to 25% by weight, in particular from 5% to 20% by weight, and preferably from 8% by 15% by weight with respect to the total of said composition.
  • a cosmetic composition in accordance with the invention may advantageously incorporate at least one coloring material selected from organic or inorganic coloring materials, in particular such as pigments or nacres conventionally used in cosmetic compositions, liposoluble or water-soluble coloring agents, materials with a specific optical effect, and mixtures thereof.
  • organic or inorganic coloring materials in particular such as pigments or nacres conventionally used in cosmetic compositions, liposoluble or water-soluble coloring agents, materials with a specific optical effect, and mixtures thereof.
  • pigments should be understood to mean white or colored, inorganic or organic particles, which are insoluble in an aqueous solution and are intended for coloring and/or opacifying the resulting film.
  • inorganic pigments that can be used in the invention, mention may be made of titanium, zirconium or cerium oxides, and also zinc, iron or chromium oxides, ferric blue, manganese violet, ultramarine blue and chromium hydrate.
  • the composition of the invention includes at least titanium oxides and iron oxides.
  • the coloring materials of the face make-up composition are selected from mineral pigments, especially iron oxides and/or titanium oxides, and preferably a mixture of iron oxides and titanium oxides.
  • physiologically acceptable medium is intended to denote a medium that is particularly suitable for the application of a composition of the invention to the skin.
  • the physiologically acceptable medium is generally suitable for the nature of the support to which the composition should be applied, and also for the way in which the composition should be packaged.
  • compositions of the invention may be in form of an oily solution or dispersion, a gel, an emulsion such as a W/O emulsion, an O/W emulsion or even a multiple emulsion or may be anhydrous.
  • An emulsion may have an oily or aqueous continuous phase.
  • Such an emulsion may, for example, be an inverse emulsion (W/O) or a direct emulsion (O/W), or else a multiple emulsion (W/O/W or O/W/O). In the case of emulsions, inverse emulsions (W/O) are preferable.
  • the composition is anhydrous.
  • composition according to the invention includes an alcoholic phase including at least one monoalcohol as defined above.
  • the alcoholic phase may include water (hydro-alcoholic phase).
  • a water suitable for the invention may be a floral water such as cornflower water and/or a mineral water such as Vittel water, Lucas water or La Roche Posay water and/or a spring water.
  • the amount of water in the compositions of the invention is less than 20% by weight, preferably less than 10% by weight and even more preferably less than 5% by weight with respect to the total weight of the composition.
  • the composition according to the invention is anhydrous or contains less than 2% by weight of water, more preferably less than 1% by weight of water, with respect to the total weight of said composition.
  • compositions of the invention may include at least one monoalcohol comprising 2 to 8 carbon atoms, in particular 2 to 6 carbon atoms and more particularly 2 to 4 carbon atoms.
  • monoalcohols examples include ethanol, isopropanol, propanol and butanol.
  • the compositions of the invention include ethanol.
  • the amount of monoalcohol(s) may range from 5% to 40% by weight in the composition, preferably from 10% to 20% by weight and even more preferably from 10% to 15% by weight with respect to the total weight of said composition.
  • the alcoholic or hydro-alcoholic phase may also include stabilizers, such as sodium chloride, magnesium dichloride and magnesium sulfate.
  • the alcoholic or hydro-alcoholic phase may also include any water-soluble or water-dispersible compound compatible with an aqueous phase, such as gelling agents, film-forming polymers, thickeners, surfactants and mixtures thereof.
  • a cosmetic composition according to the present invention includes at least one liquid fatty phase, in particular at least one oil as mentioned below.
  • oils are intended to mean any fatty substance in liquid form at ambient temperature (20-25° C.) and at atmospheric pressure. These oils may be of animal, plant, mineral or synthetic origin.
  • the fatty phase of the compositions of the invention includes at least one volatile oil and/or at least one non-volatile oil.
  • the face make-up composition comprises a fatty phase including volatile oil(s) and/or non-volatile oil(s), silicone and/or hydrocarbon oils, preferably a mixture of silicone and hydrocarbon volatile and non-volatile oils.
  • the fatty phase of the compositions of the invention includes at least one volatile oil.
  • the fatty phase of the compositions of the invention may include a mixture of a plurality of volatile oils.
  • volatile oil is intended to mean any non-aqueous medium capable of evaporating on contact with the skin or the lips, in less than one hour, at ambient temperature and at atmospheric pressure.
  • the volatile oil is a volatile cosmetic oil that is liquid at ambient temperature. More specifically, a volatile oil has an evaporation rate of between 0.01 and 200 mg/cm 2 /mn, inclusive.
  • the volatile oils may be hydrocarbon-, silicone- or fluorine-based.
  • silicon oil is intended to mean an oil comprising at least one silicon atom, and in particular at least one SiO group.
  • fluorine oil is intended to mean an oil comprising at least one fluorine atom.
  • hydrocarbon oil is intended to mean an oil containing mainly hydrogen and carbon atoms.
  • the oils may optionally comprise oxygen, nitrogen, sulfur and/or phosphorus atoms, for example in the form of hydroxyl or acid radicals
  • the volatile oils may be selected from hydrocarbon oils having from 8 to 16 carbon atoms, and in particular branched C 8 -C 16 alkanes (also known as isoparaffins or isoalkanes), such as isododecane (also known as 2,2,4,4,6-pentamethylheptane), isodecane or isohexadecane, and, for example, the oils sold under the trade names ISOPARS® or PERMETHYLS®.
  • hydrocarbon oils having from 8 to 16 carbon atoms, and in particular branched C 8 -C 16 alkanes (also known as isoparaffins or isoalkanes), such as isododecane (also known as 2,2,4,4,6-pentamethylheptane), isodecane or isohexadecane, and, for example, the oils sold under the trade names ISOPARS® or PERMETHYLS®.
  • linear C 9 -C 17 alkanes such as dodecane (C 12 ) and tetradecane (C 14 ), sold respectively under the names PARAFOL® 12-97 and PARAFOL® 14-97 (Sasol), and, as alkanes obtained according to the method described in the international application WO 2007/068371 A1, such as the undecane (C 11 ) and tridecane (C 13 ).
  • isododecane is preferred.
  • volatile oils such as, for example, volatile linear or cyclic silicones, in particular those having a viscosity below or equal to 8 centistokes (cSt) (8 ⁇ 10 ⁇ 6 m 2 /s), and having, in particular, from 2 to 10 silicon atoms, and in particular from 2 to 7 silicon atoms, in which these silicones optionally comprise alkyl or alkoxyl groups having from 1 to 10 carbon atoms.
  • volatile linear or cyclic silicones in particular those having a viscosity below or equal to 8 centistokes (cSt) (8 ⁇ 10 ⁇ 6 m 2 /s), and having, in particular, from 2 to 10 silicon atoms, and in particular from 2 to 7 silicon atoms, in which these silicones optionally comprise alkyl or alkoxyl groups having from 1 to 10 carbon atoms.
  • cSt centistokes
  • a volatile silicone oil that can be used in the invention, in particular, dimethicones with a viscosity of 5 and 6 cSt, octamethyl cyclotetrasiloxane, decamethyl cyclopentasiloxane, dodecamethyl cyclohexasiloxane, heptamethyl hexyltrisiloxane, heptamethyloctyl trisiloxane, hexamethyl disiloxane, octamethyl trisiloxane, decamethyl tetrasiloxane, dodecamethyl pentasiloxane, and mixtures thereof.
  • silicone oil it is possible to cite linear or cyclic silicone oils having from 2 to 7 silicon atoms, in which these silicones optionally comprise alkyl or alkoxyl groups having from 1 to 10 carbon atoms.
  • dodecamethyl pentasiloxane is preferred.
  • the fatty phase of the compositions of the invention includes 40% to 100% by weight, preferably 60% to 98% by weight, and preferably 80% to 95% by weight of volatile oil(s) with respect to the total weight of the fatty phase.
  • the fatty phase of the compositions of the invention includes at least one non-volatile oil.
  • the fatty phase of the compositions of the invention may include a mixture of a plurality of non-volatile oils.
  • non-volatile oil is intended to mean an oil remaining on the skin or keratin fiber at ambient temperature and atmospheric pressure. More specifically, a non-volatile oil has an evaporation rate strictly below 0.01 mg/cm 2 /min.
  • the non-volatile oils may, in particular, be chosen from among the non-volatile hydrocarbon, fluorine and/or silicone oils.
  • linear or branched hydrocarbons of mineral or synthetic origin, paraffin oils or petroleum jelly are preferably used.
  • hydrocarbon oils of plant origin it is possible to cite, preferably, plant oils, such as sweet almond oil, jojoba oil or macadamia nut oil.
  • isodecyl neopentanoate or isononyl isononanoate is used in particular, and among the synthetic ethers, dicapryl ether is preferably used.
  • non-volatile silicone oils polydimethylsiloxanes, phenyltrimethicone or alkyldimethicones such as cetyl dimethicone are preferably used.
  • the fatty phase of the compositions of the invention does not include a non-volatile oil.
  • the fatty phase of the compositions of the invention includes less than 60% by weight, preferably from 1% to 40% by weight and preferably from 2% to 20% by weight of non-volatile oil(s) with respect to the total weight of the fatty phase.
  • the fatty phase of the compositions of the invention includes:
  • the fatty phase of the compositions of the invention represents a percentage ranging from 25% by 85%, preferably ranging from 40% to 75% and even more preferably ranging from 50% to 70% with respect to the total weight of the composition.
  • the face make-up composition comprises less than 20% of water by weight of total weight of the composition, preferably less than 10% by weight, more preferably less than 5% by weight, even more preferably less than 2% by weight, even more preferably less than 1% by weight of total weight of the composition.
  • the face make-up composition comprises advantageously at least one filmogen polymer, in particular at least one vinyl polymer having at least one carbosiloxane dendrimer derivative.
  • the vinyl polymer has a backbone and at least one side chain, which comprises a carbosiloxane dendrimer-derived unit having a carbosiloxane dendrimer structure.
  • carbosiloxane dendrimer structure in the context of the present invention represents a molecular structure possessing branched groups having high molecular masses, with said structure having a high regularity in the radial direction starting from the linkage to the backbone.
  • Such carbosiloxane dendrimer structures are described in the form of a highly branched siloxane-silylalkylene copolymer in the Japanese patent application made available to public inspection Kokai 9-171 154.
  • the vinyl polymers grafted with at least one carbosiloxane dendrimer-derived unit used in the face make-up composition of the invention are disclosed in WO2012/131083 incorporated by reference.
  • the vinyl polymers grafted with at least one carbosiloxane dendrimer-derived unit that may be particularly suitable for the present disclosure are the polymers sold under the names TIB 4-100, TIB 4-101, TIB 4-120, TIB 4-130, TIB 4-200, FA 4002 ID (TIB 4-202), TIB 4-220, FA 4001 CM (TIB 4-230) by the Dow Corning company.
  • the composition according to the present invention includes the vinyl polymer having at least one carbosiloxane dendrimer-derived unit in a content with respect to active material ranging from 0.5% to 20% by weight, in particular from 1% to 15%, more specifically from 1.5% to 10% and preferably from 3% to 5% by weight with respect to the total weight of said composition.
  • a cosmetic composition according to the invention may also further comprise any additive normally used in the field under consideration, for example selected from fillers, thickeners or gelling agents, surfactants, dispersants, antioxidants, preservatives, fragrances, neutralizing agents, anti-UV protective agents, cosmetic active agents, such as vitamins, hydrating agents, emollients, and mixtures thereof.
  • any additive normally used in the field under consideration for example selected from fillers, thickeners or gelling agents, surfactants, dispersants, antioxidants, preservatives, fragrances, neutralizing agents, anti-UV protective agents, cosmetic active agents, such as vitamins, hydrating agents, emollients, and mixtures thereof.
  • one or more thickeners or gelling agents may be incorporated into a composition of the invention.
  • a thickener or gelling agent suitable for the invention may be hydrophilic or lipophilic.
  • the lipophilic gelling agents that can be used in a cosmetic composition of the invention mention may also be made of esters of dextrin and of a fatty acid, such as dextrin palmitates, or modified hectorite, such as a hectorite modified by a C 10 to C 22 fatty acid ammonium chloride, advantageously in a content ranging from 0.1% to 5% by weight, in particular 0.5% to 2% by weight of active material with respect to the total weight of said composition.
  • a person skilled in the art can adjust the type and amount of additives present in the compositions according to the invention by means of routine operations, so that the cosmetic properties and the stability properties desired for these compositions are not affected by the additives.
  • the face make-up composition comprises an additional ingredients selected from monoalcohols comprising 2 to 8 carbon atoms, fillers, thickener or gelling agents, UV filters, and mixtures thereof.
  • the face make-up composition comprises:
  • an oily phase representing 40 to 80% by weight of the total weight of the composition pigments representing 5 to 20% by weight of the total weight of the composition advantageously at least one filmogen polymer and advantageously one or several monoalcohols comprising 2 to 8 carbon atoms, optionally an ingredient selected from a UV filter, a filler, a thickener, and mixtures thereof.
  • the face make-up composition is anhydrous and comprises:
  • volatile and non-volatile oils by weight of total weight of the composition, with amount ratio of volatile/non-volatile oils being superior to 1 8 to 15% of iron oxides and titanium oxides, by weight of total weight of the composition 1 to 10% of filmogen polymer, especially vinyl polymer having at least one carbosiloxane dendrimer derivative, by weight of total weight of the composition 10 to 15% of one or several monoalcohols comprising 2 to 8 carbon atoms, especially ethanol, by weight of total weight of the composition 0.1 to 5% of a thickener, especially hectorites, by weight of total weight of the composition, and 1 to 15% of additional ingredients selected in particular from fillers, UV filters, and mixtures thereof.
  • filmogen polymer especially vinyl polymer having at least one carbosiloxane dendrimer derivative
  • monoalcohols comprising 2 to 8 carbon atoms
  • ethanol by weight of total weight of the composition 0.1 to 5% of a thickener, especially hectorites, by weight of total weight of the
  • the invention also concerns a method for making up the skin and in particular the face, comprising the following steps:
  • phase A1 and A2 are weighed into the main beaker and agitated, at ambient temperature, in the Moritz mixer (3500 rpm) for 15 minutes until homogenization.
  • Phase A3 is prepared separately by grinding three times, in a three-roll mill, the mixture of pigments, dimethicone copolyol and cyclohexasilixane.
  • This phase A3 is then added, while agitating, to the Moritz mixer (3500 rpm) for 10 minutes at ambient temperature.
  • Phase A4 is prepared separately by dispersing the KSP 100 in the mixture of the two oils, while agitating at ambient temperature, in the Rayneri mixer (500 rpm) for 10 minutes until homogenization.
  • This phase A4 is then added slowly, while agitating at ambient temperature, to the Moritz mixer and while increasing the agitation speed from 3500 rpm to 4000 rpm. It is then left to agitate for 10 minutes at 3500 rpm.
  • the Moritz agitation is then reduced to 1500 rpm and phases B and C are added while progressively increasing the agitation speed from 1500 to 2500 rpm. After incorporation, the mixture is left to agitate for 5 more minutes at ambient temperature at 2500 rpm and then quickly packaged.
  • the viscosity of the foundation was measured at 25° C. using a Rhéomat 180 (Lamy) fitted with an MS-R2 spindle, selected according to the very low viscosity of this foundation (very fluid), which rotates at a speed of 200 rpm. The measurement is taken after rotation for 10 minutes. The viscosity measurements are carried out no later than 1 week after manufacture.
  • Tube or twist system with The tip is pleasant at the application but the a tip made of foam foundation is delivered but in a covered with flock. too big quantity, all at once.
  • Tube with a tip covered The tip is pleasant at the application but the made of fabric (mesh). foundation flows alone through the tip, with no control.
  • Tube with a cylindrical The tip made of metal is not pleasant at the tip made of metal. application, and the foundation is delivered irregularly, making the device very dirty.
  • Tube with a round flat The tip is very soft at the application but the tip covered with flock. foundation is delivered irregularly.
  • Bottle with pipette The pipette permits a controlled whose end distribution of drops of extends obliquely. foundation onto the palm of hand and the application on the face is pleasant.
  • Bottle with pipette whose This pipette permits the better controlled end extends rectilinearly. distribution of drops of foundation on to the palm of hand and the application on the face is pleasant.
  • the dropper device (pipette) according to the invention is the more convenient one for a face make-up composition, giving a controlled distribution of the product, so a non-dirty and well controlled application.
  • the foundation After application on the skin, the foundation leads to a uniform, softer, no tacky and no oily to make-up result which fuses with the skin and allows a tailor-made buildable coverage to perfectly correct skin imperfections with no trace.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cosmetics (AREA)

Abstract

This invention relates to a dropper device including:
    • a container,
    • a face makeup composition stored in the container, said face makeup cosmetic composition having a viscosity of less than 0.5 Pa·s, preferably less than 0.3 Pa·s, more preferably less than 0.2 Pa·s and even more preferably less than 0.1 Pa·s measured at 25° C.,
    • a closure member,
    • a pipette attached to the closure member, and
    • a compressible chamber linked to the pipette.

Description

    FIELD OF THE INVENTION
  • The purpose of the invention is distribution and application of face makeup compositions with low and even very low viscosity. More specifically, the invention relates to a dropper device for controlled distribution of a fluid face make-up composition with very low viscosity.
  • The dropper device of the invention is adapted for face make-up compositions having viscosity of, for example, less than 0.5 Pa·s at 25° C., preferably less than 0.3 Pa·s, in particular less than 0.2 Pa·s, and even preferably less than 0.1 Pa·s at 25° C.
    • BACKGROUND OF THE INVENTION
  • Foundations are commonly used to give the skin, in particular the face, color and an esthetic effect. These makeup products generally contain oils, pigments, fillers, and other cosmetic additives.
  • The consumers are increasingly looking for new face make-up compositions that can be spread easily and quickly on the skin in the form of a deposit that does not have to be thick, but that instead fuses as much as possible with the skin for a coverage with no trace nor mask effect. And they search for fluid and light galenics for thin film, easily to apply and with good comfort and wear properties (mattness wear, color wear, homogeneous deposit, non greasy nor sticky feeling).
  • However, the very low viscosity of composition makes them more difficult to distribute them easily and with a controlled manner. It is known sprays devices, tubes with tip made of foam, of fabric, of metal, tube with restricted end . . . .
  • And the challenge is important to find an adapted device for very fluid compositions, especially for a make-up composition which contains coloring materials, otherwise the result at the application is very dirty.
  • So it still remains a need for a new cosmetic product combining a specific device and fluid face make-up product with low viscosity (<0.5 Pa·s), even with a very low viscosity (<0.2 Pa·s at 25° C.).
  • The purpose of the invention is to satisfy these needs.
    • SUMMARY OF THE INVENTION
  • The applicant discovers that a specific dropper device with a pipette may answer these expectations. It permits to distribute a face make-up composition even with a very low viscosity (<0.2 Pa·s at 25° C. and even <0.1 Pa·s at 25° C.) with a controlled manner (drop by drop) for a non-dirty way of application. The face make-up composition when applied on the skin, fuses with the skin and allows tailor-made buildable coverage with no trace, covering imperfections and perfecting the complexion.
  • Thus, the invention relates to a dropper device comprising:
      • a container,
      • a face makeup composition stored in the container, said face makeup cosmetic composition having a viscosity of less than 0.5 Pa·s, preferably less than 0.3 Pa·s, more preferably less than 0.2 Pa·s and even more preferably less than 0.1 Pa·s measured at 25° C.,
      • a closure member,
      • a pipette attached to the closure member, and
      • a compressible chamber linked to the pipette.
  • In a preferred embodiment, the face makeup cosmetic composition stored in the container has a viscosity of less than 0.1 Pa·s, preferably between 0.05 to 0.08 Pa·s measured at 25° C.
  • The viscosity of the composition is measured at 25° C. using a Rhéomat 180 (Lamy) fitted with an MS-R1, MS-R2, MS-R, MS-R4 or MS-R5 spindle, selected according to the consistency of the composition, which rotates at a speed of 200 rpm. The measurement is taken after rotation for 10 minutes. The viscosity measurements are carried out no later than 1 week after manufacture.
    • DESCRIPTION OF THE VIEWS OF THE DRAWING
  • FIG. 1 represents a longitudinal cross section view of a dropper device according to the present invention.
    •  DETAILED DESCRIPTION OF THE INVENTION
  • By ‘controlled distribution’, it means a regular sequence of drops, opposite to an uncontrolled delivery by jet.
  • By ‘face make-up composition’, it means as examples a foundation, a perfector complexion, a BB or CC cream, and preferably foundation or perfector complexion.
  • Dropper Device
  • The face make-up composition of the invention is stored in a dropper device comprising a container, a closure member, a pipette attached to the closure member, and a compressible chamber linked to the pipette and configured to expel the product from the pipette when compressed and to suck the product into the pipette when relaxed. Such kind of dropper is also disclosed in WO0147784.
  • As an example shown at FIG. 1 which is a longitudinal cross section view of a device containing the face make-up composition of the present invention, a dropper device 1 for packaging and dispensing a product comprises a closure member 2 entirely screwed onto a container 3. The fluid make-up composition is stored in the container 3.
  • The container 3 comprises an housing extending along a longitudinal axis X, and a neck 4 defining the opening of the container 3. The neck 4 has a cross section smaller than the section of the housing formed in this container for containing the face make-up composition. A thread 5 is formed around this neck 4. The container 3 is made for example from glass, or from a thermoplastic material.
  • In a preferred embodiment, the container 3 is made from glass.
  • A wiper may advantageously be provided in the neck of the container in order to wipe the excess product deposit on the outside of the pipette when the pipette is withdrawn from the container.
  • In order to preserve the face make-up composition contained, the container 3 is closed off by the closure member 2.
  • The closure member 2 is provided locally on its inner periphery with a thread 6 that is intended to engage with a complementary thread 5 provided on the outer periphery of the neck 4 of the container 3. The closure member 2 is made for example from a thermoplastic material.
  • The closure member 2 is provided with a central opening which receives a pipette 7 in a tight seal manner. The pipette 7 may be made from glass.
  • Alternatively, the pipette 7 may be produced in one piece with the closure member 2. In this case the pipette 7 and the closure member 2 may be obtained by injection moulding of a thermoplastic material.
  • In a preferred embodiment, the pipette 7 is made from glass.
  • Preferably the pipette extends in a rectilinear manner. As a variant the free end of the pipette may extend obliquely.
  • When the closure member 2 is mounted on the container, the free end of the pipette 7 is dipped in the face make-up composition contained in the container 3. The free end may form a constriction 9 with respect to the internal cross section of the pipette 7 in order to limit the flow under gravity of the fluid in the pipette 7. The constriction makes it possible to retain face make-up composition by capillary action. The transversal cross section of the constriction is between 0.2 mm2 to 3 mm2, preferably from 0.5 mm2 to 2 mm2, more preferably from 0.8 mm2 to 1.7 mm2, more preferably from 1 mm2 to 1.2 mm2.
  • Preferably, the free end of the pipette has a conical form and not a spherical form. In a preferred embodiment, the free end of the pipette extends in a rectilinear manner and has a conical form.
  • The opposite end of the pipette is linked in a tight seal manner to a compressible chamber 8 outside the container. The compressible chamber 8 represented in FIG. 1 is a flexible bulb in a relaxed position. Alternatively the compressible chamber may be made with a piston linked to a push button.
  • When the free end of the pipette 7 is dipped into the face make-up composition, the movement of the compressible chamber 8 makes it possible to suck up fluid into the pipette 7. Then the pipette 7 may be removed from the container 3 and when the compressible chamber 8 is compressed, the face make-up composition contained is the pipette 7 is expelled.
  • The face make-up composition of the invention is not limited to be used with the dropper disclosed above but other actuating mechanism of dropper could be used. For example another actuating mechanism of dropper is disclosed in WO2011154397A1.
  • In a preferred embodiment, the face make-up composition is a foundation.
  • Face Make-Up Composition
  • As disclosed above, the face make-up composition has a viscosity of less than 0.5 Pa·s, preferably less than 0.3 Pa·s, more preferably less than 0.2 Pa·s and even more preferably less than 0.1 Pa·s measured at 25° C., according to the protocole disclosed above.
  • In a preferred embodiment, the face make-up composition has a viscosity between 0.05 Pa·s and 0.08 Pa·s measured at 25° C.
  • According to a preferred embodiment, the face make-up composition comprises less than 20% of water by weight of total weight of the composition, preferably less than 10% by weight, more preferably less than 5% by weight, even more preferably less than 2% by weight, even more preferably less than 1% by weight of total weight of the composition.
  • The face make-up composition comprises a physiologically acceptable medium and coloring materials.
  • The coloring material(s) may be present with a content ranging from 2% to 25% by weight, in particular from 5% to 20% by weight, and preferably from 8% by 15% by weight with respect to the total of said composition.
  • A cosmetic composition in accordance with the invention may advantageously incorporate at least one coloring material selected from organic or inorganic coloring materials, in particular such as pigments or nacres conventionally used in cosmetic compositions, liposoluble or water-soluble coloring agents, materials with a specific optical effect, and mixtures thereof.
  • The term “pigments” should be understood to mean white or colored, inorganic or organic particles, which are insoluble in an aqueous solution and are intended for coloring and/or opacifying the resulting film.
  • As inorganic pigments that can be used in the invention, mention may be made of titanium, zirconium or cerium oxides, and also zinc, iron or chromium oxides, ferric blue, manganese violet, ultramarine blue and chromium hydrate. Preferably, the composition of the invention includes at least titanium oxides and iron oxides.
  • In a preferred embodiment, the coloring materials of the face make-up composition are selected from mineral pigments, especially iron oxides and/or titanium oxides, and preferably a mixture of iron oxides and titanium oxides.
  • The term “physiologically acceptable medium” is intended to denote a medium that is particularly suitable for the application of a composition of the invention to the skin. The physiologically acceptable medium is generally suitable for the nature of the support to which the composition should be applied, and also for the way in which the composition should be packaged.
  • The compositions of the invention may be in form of an oily solution or dispersion, a gel, an emulsion such as a W/O emulsion, an O/W emulsion or even a multiple emulsion or may be anhydrous. An emulsion may have an oily or aqueous continuous phase. Such an emulsion may, for example, be an inverse emulsion (W/O) or a direct emulsion (O/W), or else a multiple emulsion (W/O/W or O/W/O). In the case of emulsions, inverse emulsions (W/O) are preferable.
  • In a preferred embodiment, the composition is anhydrous.
      • According to an embodiment, the compositions according to the invention include an alcohol or hydroalcohol phase, and a fatty phase.
  • Alcoholic or Hydro-Alcoholic Phase
  • The composition according to the invention includes an alcoholic phase including at least one monoalcohol as defined above.
  • The alcoholic phase may include water (hydro-alcoholic phase). A water suitable for the invention may be a floral water such as cornflower water and/or a mineral water such as Vittel water, Lucas water or La Roche Posay water and/or a spring water.
  • According to an embodiment, the amount of water in the compositions of the invention is less than 20% by weight, preferably less than 10% by weight and even more preferably less than 5% by weight with respect to the total weight of the composition.
  • According to a particular embodiment, the composition according to the invention is anhydrous or contains less than 2% by weight of water, more preferably less than 1% by weight of water, with respect to the total weight of said composition.
  • The compositions of the invention may include at least one monoalcohol comprising 2 to 8 carbon atoms, in particular 2 to 6 carbon atoms and more particularly 2 to 4 carbon atoms. As examples of monoalcohols, ethanol, isopropanol, propanol and butanol may be cited. According to an embodiment, the compositions of the invention include ethanol.
  • The amount of monoalcohol(s) may range from 5% to 40% by weight in the composition, preferably from 10% to 20% by weight and even more preferably from 10% to 15% by weight with respect to the total weight of said composition.
  • The alcoholic or hydro-alcoholic phase may also include stabilizers, such as sodium chloride, magnesium dichloride and magnesium sulfate.
  • The alcoholic or hydro-alcoholic phase may also include any water-soluble or water-dispersible compound compatible with an aqueous phase, such as gelling agents, film-forming polymers, thickeners, surfactants and mixtures thereof.
  • Fatty Phase
  • A cosmetic composition according to the present invention includes at least one liquid fatty phase, in particular at least one oil as mentioned below.
  • The term “oil” is intended to mean any fatty substance in liquid form at ambient temperature (20-25° C.) and at atmospheric pressure. These oils may be of animal, plant, mineral or synthetic origin.
  • According to an embodiment, the fatty phase of the compositions of the invention includes at least one volatile oil and/or at least one non-volatile oil.
  • In a preferred embodiment, the face make-up composition comprises a fatty phase including volatile oil(s) and/or non-volatile oil(s), silicone and/or hydrocarbon oils, preferably a mixture of silicone and hydrocarbon volatile and non-volatile oils.
  • Volatile Oils
  • According to an embodiment, the fatty phase of the compositions of the invention includes at least one volatile oil. The fatty phase of the compositions of the invention may include a mixture of a plurality of volatile oils.
  • The term “volatile oil” is intended to mean any non-aqueous medium capable of evaporating on contact with the skin or the lips, in less than one hour, at ambient temperature and at atmospheric pressure. The volatile oil is a volatile cosmetic oil that is liquid at ambient temperature. More specifically, a volatile oil has an evaporation rate of between 0.01 and 200 mg/cm2/mn, inclusive.
  • To measure this evaporation rate, 15 g of oil or an oil mixture to be tested are introduced into a crystallizer with a diameter of 7 cm, placed on a scale located in a large chamber of around 0.3 m3, with controlled temperature, at 25° C., and hygrometry, at 50% relative humidity. The liquid is left to evaporate freely, without being agitated, by allowing ventilation with a fan (PAPST-MOTOREN, reference 8550 N, rotating at 2700 rpm) arranged vertically above the crystallizer containing said oil or said mixture, with the blades being directed toward the crystallizer and at a distance of 20 cm with respect to the crystallizer base. The mass of oil remaining in the crystallizer is measured at regular intervals. The evaporation rates are expressed in mg of oil evaporated per unit of surface (cm2) and per unit of time (minutes).
  • The volatile oils may be hydrocarbon-, silicone- or fluorine-based.
  • The term “silicone oil” is intended to mean an oil comprising at least one silicon atom, and in particular at least one SiO group.
  • The term “fluorine oil” is intended to mean an oil comprising at least one fluorine atom.
  • The term “hydrocarbon oil” is intended to mean an oil containing mainly hydrogen and carbon atoms.
  • The oils may optionally comprise oxygen, nitrogen, sulfur and/or phosphorus atoms, for example in the form of hydroxyl or acid radicals
  • The volatile oils may be selected from hydrocarbon oils having from 8 to 16 carbon atoms, and in particular branched C8-C16 alkanes (also known as isoparaffins or isoalkanes), such as isododecane (also known as 2,2,4,4,6-pentamethylheptane), isodecane or isohexadecane, and, for example, the oils sold under the trade names ISOPARS® or PERMETHYLS®.
  • It is also possible to cite, as a hydrocarbon volatile oil, linear C9-C17 alkanes, such as dodecane (C12) and tetradecane (C14), sold respectively under the names PARAFOL® 12-97 and PARAFOL® 14-97 (Sasol), and, as alkanes obtained according to the method described in the international application WO 2007/068371 A1, such as the undecane (C11) and tridecane (C13).
  • Among the volatile hydrocarbon oils, isododecane is preferred.
  • It is also possible to use, as volatile oils, volatile silicones, such as, for example, volatile linear or cyclic silicones, in particular those having a viscosity below or equal to 8 centistokes (cSt) (8×10−6 m2/s), and having, in particular, from 2 to 10 silicon atoms, and in particular from 2 to 7 silicon atoms, in which these silicones optionally comprise alkyl or alkoxyl groups having from 1 to 10 carbon atoms. It is possible to cite, as a volatile silicone oil that can be used in the invention, in particular, dimethicones with a viscosity of 5 and 6 cSt, octamethyl cyclotetrasiloxane, decamethyl cyclopentasiloxane, dodecamethyl cyclohexasiloxane, heptamethyl hexyltrisiloxane, heptamethyloctyl trisiloxane, hexamethyl disiloxane, octamethyl trisiloxane, decamethyl tetrasiloxane, dodecamethyl pentasiloxane, and mixtures thereof.
  • More specifically, as a volatile silicone oil, it is possible to cite linear or cyclic silicone oils having from 2 to 7 silicon atoms, in which these silicones optionally comprise alkyl or alkoxyl groups having from 1 to 10 carbon atoms.
  • As preferred examples, it is possible to cite decamethyl cyclopentasiloxane, dodecamethyl cyclohexasiloxane and dodecamethyl pentasiloxane.
  • Among the volatile silicone oils, dodecamethyl pentasiloxane is preferred.
  • According to an embodiment, the fatty phase of the compositions of the invention includes 40% to 100% by weight, preferably 60% to 98% by weight, and preferably 80% to 95% by weight of volatile oil(s) with respect to the total weight of the fatty phase.
  • Non-Volatile Oils
  • According to an embodiment, the fatty phase of the compositions of the invention includes at least one non-volatile oil. The fatty phase of the compositions of the invention may include a mixture of a plurality of non-volatile oils.
  • The term “non-volatile oil” is intended to mean an oil remaining on the skin or keratin fiber at ambient temperature and atmospheric pressure. More specifically, a non-volatile oil has an evaporation rate strictly below 0.01 mg/cm2/min.
  • The non-volatile oils may, in particular, be chosen from among the non-volatile hydrocarbon, fluorine and/or silicone oils.
  • It is possible to cite, as a non-volatile hydrocarbon oil:
      • hydrocarbon oils of plant origin, such as phytostearyl esters, for instance phytostearyl oleate, phytostearyl isostearate and lauroyl/octyldodecyl/phytostearyl glutamate (AJINOMOTO, ELDEW PS203), triglycerides constituted of fatty acid esters of glycerol, in particular in which the fatty acids may have chain lengths ranging from C4 to C36, and in particular from C18 à C36, it being possible for these oils to be linear or branched, and saturated or unsaturated; these oils may in particular be heptanoic or octanoic triglycerides, shea oil, alfalfa oil, poppy seed oil, pumpkin oil, millet oil, barley oil, quinoa oil, rye oil, candlenut oil, passionflower oil, shea butter, aloe oil, sweet almond oil, peach kernel oil, groundnut oil, argan oil, avocado oil, baobab oil, barrage oil, broccoli oil, calendula oil, camelina oil, canola oil, carrot oil, safflower oil, hemp oil, rapeseed oil, cotton seed oil, coconut oil, marrow seed oil, wheat germ oil, jojoba oil, lily oil, macadamia oil, corn oil, meadowfoam oil, St. John's Wort oil, monoi oil, hazelnut oil, apricot kernel oil, nut oil, olive oil, evening primrose oil, palm oil, blackcurrant seed oil, kiwi seed oil, grape seed oil, pistachio oil, pumpkin oil, winter squash oil, quinoa oil, musk rose oil, sesame oil, soya oil, sunflower oil, castor oil and watermelon oil, and mixtures thereof, or alternatively caprylic/capric acid triglycerides, for instance those sold by the STEARINERIES DUBOIS company or those sold under the names MIGLYOL 810®, 812® and 818® by the DYNAMIT NOBEL company;
      • synthetic esters, for instance oils of formula R1COOR2, in which R1 represents a linear or branched fatty acid residue containing from 1 to 40 carbon atoms, and R2 represents a hydrocarbon-based chain, in particular a branched chain, containing from 1 to 40 carbon atoms provided that R1 et R2 is greater than or equal to 10. The esters may in particular be selected from fatty acid and alcohol esters, for instance: cetostearyl octanoate, isopropyl alcohol esters, such as isopropyl myristate, isopropyl palmitate, ethyl palmitate, 2-ethylhexyl palmitate, isopropyl stearate or isostearate, isostearyl isostearate, octyl stearate, hydroxylated esters, for instance isostearyl lactacte, oetyl hydroxystearate, diisopropyl adipate, heptanoates, and especially isostearyl heptanoate, alcohol or polyalcohol octanoates, decanoates or ricinoleates, for instance propylene glycol dioctanoate, cetyl octanoate, tridecyl octanoate, 2-ethylhexyl 4-diheptanoate and palmitate, alkyl benzoate, polyethylene glycol diheptanoate, propylene glycol 2-diethyihexanoate, and mixtures thereof, C12-C15 alkyl benzoates, hexyl laurate, neopentanoic acid esters, for instance isodecyl neopentanoate, isotridecyl neopentanoate, isostearyl neopentanoate, or octyldodecyl neopentanoate, isononanoic acid esters, for instance isononyl isononanoate, isotridecyl isononanoate and octyl isononanoate, hydroxylated esters such as isostearyl lactate and diisostearyl malate
      • silicone oils, such as polydimethylsiloxanes (PDMS) which are non-volatile and linear or cyclic; polydimethylsiloxanes comprising alkyl, alkoxy or phenyl groups which are pendant or at the end of the silicone chain, said groups having from 2 to 24 carbon atoms; phenylated silicones, such as phenyl trimethicones, phenyl dimethicones, phenyltrimethylsiloxydiphenylsiloxanes, diphenyl dimethicones, diphenylmethyldiphenyl-trisiloxanes or (2-phenylethyl)trimethylsiloxysilicates, and
      • mixtures thereof.
  • Among the linear or branched hydrocarbons, of mineral or synthetic origin, paraffin oils or petroleum jelly are preferably used.
  • Among the hydrocarbon oils of plant origin, it is possible to cite, preferably, plant oils, such as sweet almond oil, jojoba oil or macadamia nut oil.
  • Among the synthetic oils such as synthetic esters, isodecyl neopentanoate or isononyl isononanoate is used in particular, and among the synthetic ethers, dicapryl ether is preferably used.
  • Among the non-volatile silicone oils, polydimethylsiloxanes, phenyltrimethicone or alkyldimethicones such as cetyl dimethicone are preferably used.
  • According to an embodiment, the fatty phase of the compositions of the invention does not include a non-volatile oil.
  • According to an embodiment, the fatty phase of the compositions of the invention includes less than 60% by weight, preferably from 1% to 40% by weight and preferably from 2% to 20% by weight of non-volatile oil(s) with respect to the total weight of the fatty phase.
  • According to an embodiment, the fatty phase of the compositions of the invention includes:
      • from 40% to 100%, preferably from 60% to 98%, and more specifically from 80% to 95% by weight of volatile oil(s) with respect to the total weight of the fatty phase, and
      • less than 60%, preferably from 1% to 40%, and more particularly from 2% to 20% by weight of non-volatile oil(s) with respect to the total weight of the fatty phase.
  • According to an embodiment, the fatty phase of the compositions of the invention represents a percentage ranging from 25% by 85%, preferably ranging from 40% to 75% and even more preferably ranging from 50% to 70% with respect to the total weight of the composition.
  • In a preferred embodiment, the face make-up composition comprises less than 20% of water by weight of total weight of the composition, preferably less than 10% by weight, more preferably less than 5% by weight, even more preferably less than 2% by weight, even more preferably less than 1% by weight of total weight of the composition.
  • Filmogen Polymer
  • The face make-up composition comprises advantageously at least one filmogen polymer, in particular at least one vinyl polymer having at least one carbosiloxane dendrimer derivative.
  • The vinyl polymer has a backbone and at least one side chain, which comprises a carbosiloxane dendrimer-derived unit having a carbosiloxane dendrimer structure.
  • The term “carbosiloxane dendrimer structure” in the context of the present invention represents a molecular structure possessing branched groups having high molecular masses, with said structure having a high regularity in the radial direction starting from the linkage to the backbone. Such carbosiloxane dendrimer structures are described in the form of a highly branched siloxane-silylalkylene copolymer in the Japanese patent application made available to public inspection Kokai 9-171 154.
  • The vinyl polymers grafted with at least one carbosiloxane dendrimer-derived unit used in the face make-up composition of the invention are disclosed in WO2012/131083 incorporated by reference.
  • The vinyl polymers grafted with at least one carbosiloxane dendrimer-derived unit that may be particularly suitable for the present disclosure are the polymers sold under the names TIB 4-100, TIB 4-101, TIB 4-120, TIB 4-130, TIB 4-200, FA 4002 ID (TIB 4-202), TIB 4-220, FA 4001 CM (TIB 4-230) by the Dow Corning company.
  • According to an embodiment, the composition according to the present invention includes the vinyl polymer having at least one carbosiloxane dendrimer-derived unit in a content with respect to active material ranging from 0.5% to 20% by weight, in particular from 1% to 15%, more specifically from 1.5% to 10% and preferably from 3% to 5% by weight with respect to the total weight of said composition.
  • Other Additives
  • A cosmetic composition according to the invention may also further comprise any additive normally used in the field under consideration, for example selected from fillers, thickeners or gelling agents, surfactants, dispersants, antioxidants, preservatives, fragrances, neutralizing agents, anti-UV protective agents, cosmetic active agents, such as vitamins, hydrating agents, emollients, and mixtures thereof.
  • Depending on the fluidity of the composition that it is desired to obtain, one or more thickeners or gelling agents may be incorporated into a composition of the invention. A thickener or gelling agent suitable for the invention may be hydrophilic or lipophilic. Among the lipophilic gelling agents that can be used in a cosmetic composition of the invention, mention may also be made of esters of dextrin and of a fatty acid, such as dextrin palmitates, or modified hectorite, such as a hectorite modified by a C10 to C22 fatty acid ammonium chloride, advantageously in a content ranging from 0.1% to 5% by weight, in particular 0.5% to 2% by weight of active material with respect to the total weight of said composition.
  • A person skilled in the art can adjust the type and amount of additives present in the compositions according to the invention by means of routine operations, so that the cosmetic properties and the stability properties desired for these compositions are not affected by the additives.
  • In a particular embodiment, the face make-up composition comprises an additional ingredients selected from monoalcohols comprising 2 to 8 carbon atoms, fillers, thickener or gelling agents, UV filters, and mixtures thereof.
  • In a particular embodiment, the face make-up composition comprises:
  • an oily phase representing 40 to 80% by weight of the total weight of the composition pigments representing 5 to 20% by weight of the total weight of the composition advantageously at least one filmogen polymer and
    advantageously one or several monoalcohols comprising 2 to 8 carbon atoms,
    optionally an ingredient selected from a UV filter, a filler, a thickener, and mixtures thereof.
  • In a preferred embodiment, the face make-up composition is anhydrous and comprises:
  • 50 to 70% of volatile and non-volatile oils, by weight of total weight of the composition, with amount ratio of volatile/non-volatile oils being superior to 1
    8 to 15% of iron oxides and titanium oxides, by weight of total weight of the composition
    1 to 10% of filmogen polymer, especially vinyl polymer having at least one carbosiloxane dendrimer derivative, by weight of total weight of the composition
    10 to 15% of one or several monoalcohols comprising 2 to 8 carbon atoms, especially ethanol, by weight of total weight of the composition
    0.1 to 5% of a thickener, especially hectorites, by weight of total weight of the composition, and
    1 to 15% of additional ingredients selected in particular from fillers, UV filters, and mixtures thereof.
  • The invention also concerns a method for making up the skin and in particular the face, comprising the following steps:
      • shaking the container
      • applying a pressure on the compressible chamber linked to the pipette for sucking up the fluid composition into the pipette,
      • removing the pipette from the container and applying another pressure on the compressible chamber linked to the pipette to expel the fluid composition in a controlled manner, for example onto palm of the hand, then
      • spreading with fingers the face make-up composition onto the face and smoothing it until homogeneization.
  • The invention will be detailed in the following examples.
    • EXAMPLES Example 1 Foundation
  • mass %
    A1 Isododecane 3.00
    Disteardimonium hectorite/propylene carbonate/ 10.00
    isododecane (10/3/87) sold under the
    name BENTONE GEL ISD V by the Elementis company
    Phenyltrimethicone sold under the reference 2.00
    DC 556 by the Dow Corning company
    Ethyl hexyl methoxycinnamate 3.00
    A2 Butyl acrylate copolymer containing dendritic 8.00
    silicone side chains:
    Tri((Trimethylsiloxy)siloxyethyldimethylsiloxy)
    silylpropyl-methacrylate in the isododecane
    (40/60) sold under the reference Dow Corning
    FA 4002 ID by Dow Corning.
    A3 Cyclohexasiloxane 4.00
    Dimethicone copolyol sold under the reference 1.50
    KF 6017 by the Shin Etsu company
    Iron oxides coated with aluminum stearoyl glutamate 3.00
    Titanium dioxide coated with aluminum stearoyl glutamate 8.00
    A4 Dodecamethylpentasiloxane 21.00
    Cyclohexasiloxane 17.00
    Vinyl dimethicone/Methicone Silsesquioxane 8.00
    cross-polymer sold under the reference
    KSP 100 by the Shin Etsu company
    B Denatured ethanol at 96° 11.50
    C Perfume qsp
    TOTAL 100%
  • Procedure
  • The constituents of phases A1 and A2 are weighed into the main beaker and agitated, at ambient temperature, in the Moritz mixer (3500 rpm) for 15 minutes until homogenization.
  • Phase A3 is prepared separately by grinding three times, in a three-roll mill, the mixture of pigments, dimethicone copolyol and cyclohexasilixane.
  • This phase A3 is then added, while agitating, to the Moritz mixer (3500 rpm) for 10 minutes at ambient temperature.
  • Phase A4 is prepared separately by dispersing the KSP 100 in the mixture of the two oils, while agitating at ambient temperature, in the Rayneri mixer (500 rpm) for 10 minutes until homogenization.
  • This phase A4 is then added slowly, while agitating at ambient temperature, to the Moritz mixer and while increasing the agitation speed from 3500 rpm to 4000 rpm. It is then left to agitate for 10 minutes at 3500 rpm.
  • The Moritz agitation is then reduced to 1500 rpm and phases B and C are added while progressively increasing the agitation speed from 1500 to 2500 rpm. After incorporation, the mixture is left to agitate for 5 more minutes at ambient temperature at 2500 rpm and then quickly packaged.
  • The viscosity of the foundation was measured at 25° C. using a Rhéomat 180 (Lamy) fitted with an MS-R2 spindle, selected according to the very low viscosity of this foundation (very fluid), which rotates at a speed of 200 rpm. The measurement is taken after rotation for 10 minutes. The viscosity measurements are carried out no later than 1 week after manufacture.
  • We obtained a 15-18 UD (deviation unit) with the said MS-R2 spindle, corresponding to 60-80 cP (centiPoises), which correspond to 0.06-0.08 Pa·s.
    • Example 2 Evaluation and Selection of Devices
  • Several types of devices with different tips were tested with the said foundation. The results are presented hereunder:
  • Evaluation of the distribution
    Devices and make-up result.
    Tube or twist system with The tip is pleasant at the application but the
    a tip made of foam foundation is delivered but in a
    covered with flock. too big quantity, all at once.
    Tube with a tip covered The tip is pleasant at the application but the
    made of fabric (mesh). foundation flows alone through
    the tip, with no control.
    Tube with a cylindrical The tip made of metal is not pleasant at the
    tip made of metal. application, and the foundation is delivered
    irregularly, making the device very dirty.
    Tube with a round flat The tip is very soft at the application but the
    tip covered with flock. foundation is delivered irregularly.
    Bottle with pipette The pipette permits a controlled
    whose end distribution of drops of
    extends obliquely. foundation onto the palm of hand
    and the application on the face is pleasant.
    Bottle with pipette whose This pipette permits the better controlled
    end extends rectilinearly. distribution of drops of foundation on
    to the palm of hand and the application
    on the face is pleasant.
  • These results showed that, belonging to all devices that may be combined with a fluid composition, the dropper device (pipette) according to the invention is the more convenient one for a face make-up composition, giving a controlled distribution of the product, so a non-dirty and well controlled application.
  • After application on the skin, the foundation leads to a uniform, softer, no tacky and no oily to make-up result which fuses with the skin and allows a tailor-made buildable coverage to perfectly correct skin imperfections with no trace.

Claims (16)

1. A dropper device comprising:
a container,
a face makeup composition stored in the container, said face makeup cosmetic composition having a viscosity of less than 0.5 Pa·s, preferably less than 0.3 Pa·s, more preferably less than 0.2 Pa·s and even more preferably less than 0.1 Pa·s measured at 25° C.,
a closure member,
a pipette attached to the closure member, and
a compressible chamber linked to the pipette.
2. A dropper device according to claim 1, wherein the face makeup cosmetic composition stored in the container has a viscosity of less than 0.1 Pa·s, preferably between 0.05 to 0.08 Pa·s measured at 25° C.
3. A dropper device according to claim 1, wherein the free end of the pipette comprising a constriction which transversal cross section is between 0.2 mm2 to 3 mm2, preferably from 0.5 mm2 to 2 mm2, more preferably from 0.8 mm2 to 1.7 mm2, more preferably from 1 mm2 to 1.2 mm2.
4. A dropper device according to claim 1, wherein the free end of the pipette extends in a rectilinear manner and has a conical form.
5. A dropper device according to claim 1, wherein the face make-up composition is a foundation.
6. A dropper device according to claim 1, wherein the face make-up composition comprises less than 20% of water by weight of total weight of the composition, preferably less than 10% by weight, more preferably less than 5% by weight, even more preferably less than 2% by weight, even more preferably less than 1% by weight of total weight of the composition.
7. A dropper device according to claim 1, wherein the face make-up composition is in form of an oily solution or dispersion, a gel, a W/O emulsion, a O//W emulsion or a multiple emulsion, or preferably an anhydrous composition.
8. A dropper device according to claim 1, wherein the face make-up composition comprises a fatty phase including volatile oil(s) and/or non-volatile oil(s), silicone and/or hydrocarbon oils, preferably a mixture of silicone and hydrocarbon volatile and non-volatile oils.
9. A dropper device according to claim 1, wherein the fatty phase of the face make-up composition includes from 40% to 100%, preferably from 60% to 98%, and more particularly from 80% to 95% by weight of volatile oil(s) with respect to the total weight of the fatty phase, and less than 60%, preferably from 1% to 40%, and more particularly from 2% to 20% by weight of non-volatile oil(s) with respect to the total weight of the fatty phase.
10. A dropper device according to claim 1, wherein the face make-up composition includes coloring materials in an amount ranging from 2% to 25% by weight, in particular from 5% to 20% by weight, and preferably from 8% by 15% by weight with respect to the total of said composition.
11. A dropper device according to claim 1, wherein the coloring materials of the face make-up composition are selected from mineral pigments, especially iron oxides and/or titanium oxides, and preferably a mixture of iron oxides and titanium oxides.
12. A dropper device according to claim 1, wherein the face make-up composition comprises at least one filmogen polymer, in particular at least one vinyl polymer having at least one carbosiloxane dendrimer derivative.
13. A dropper device according to claim 1, wherein the face make-up composition comprises an additional ingredients selected from monoalcohols comprising 2 to 8 carbon atoms, fillers, thickener or gelling agents, UV filters, and mixtures thereof.
14. A dropper device according to claim 1, wherein the face make-up composition comprises:
an oily phase representing 40 to 80% by weight of the total weight of the composition
pigments representing 5 to 20% by weight of the total weight of the composition advantageously at least one filmogen polymer and
advantageously one or several monoalcohols comprising 2 to 8 carbon atoms,
optionally an ingredient selected from a UV filter, a filler, a thickener, and mixtures thereof.
15. A dropper device according to claim 1, wherein the face make-up composition is anhydrous and comprises:
50 to 70% of volatile and non-volatile oils, by weight of total weight of the composition, with amount ratio of volatile/non-volatile oils being superior to 1
8 to 15% of iron oxides and titanium oxides, by weight of total weight of the composition
1 to 10% of filmogen polymer, especially vinyl polymer having at least one carbosiloxane dendrimer derivative, by weight of total weight of the composition
10 to 15% of one or several monoalcohols comprising 2 to 8 carbon atoms, especially ethanol, by weight of total weight of the composition
0.1 to 5% of a thickener, especially hectorites, by weight of total weight of the composition, and
1 to 15% of additional ingredients selected in particular from fillers, UV filters, and mixtures thereof.
16. Method for making up the skin and in particular the face, comprising:
shaking the container
applying a pressure on the compressible chamber linked to the pipette for sucking up the fluid composition into the pipette,
removing the pipette from the container and applying another pressure on the compressible chamber linked to the pipette to expel the fluid composition in a controlled manner, for example onto palm of the hand, and
spreading with fingers the face make-up composition onto the face and smoothing it until homogenization.
US13/975,606 2013-08-26 2013-08-26 Dropper device for controlled distribution of a make-up product Abandoned US20150053224A1 (en)

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