FR2870116A1 - Cosmetic composition (in powder form), useful for make-up or therapeutic treatment of skin, comprises barium sulfate, organopolysiloxane elastomer, N-acyl amino acid, methyl polymethacrylate, polyurethane and acrylic polymer - Google Patents

Abstract

Cosmetic composition (in powder form) comprises barium sulfate, organopolysiloxane elastomer, N-acyl amino acid, methyl polymethacrylate, polyurethane and an acrylic polymer different from methyl polymethacrylate.

Description

The present invention relates to a cosmetic composition of

  makeup or skin care in the form of a powder comprising barium sulfate combined with other powders. The invention also relates to a method for making up or caring for the skin of a human being comprising the application of the

composition on the skin.

  The makeup composition according to the invention is in particular a makeup composition for the skin, such as a foundation, an eyeshadow, a blush, a concealer, a powder of the face and body, a body makeup product. More particularly, the invention relates to a foundation composition.

  The skin care composition may be a facial care product, a body care product, a deodorant powder.

  The makeup compositions of the skin are commonly used to bring an aesthetic color to the skin, especially to the face, but also to hide skin imperfections such as redness, blemishes, wrinkles.

  Some makeup compositions are in the form of loose powder or compacted powder. These compositions generally comprise a high powders content, especially at least 80% by weight, relative to the total weight of the composition. Depending on the type of powders used, the cosmetic properties of the makeup product can be very variable. However, certain powders such as calcium carbonate, magnesium carbonate, magnesium stearate or titanium dioxide give a dry, rough feel and interfere with obtaining softness properties when finger-catching or spreading. cosmetic powder on the skin. In addition, with these powdery materials, the deposition of the cosmetic powder on the skin is opaque and covering and therefore does not make it possible to obtain a transparent and camouflaging makeup or blurring imperfections of the relief of the skin such as microreliefs, wrinkles, the fine lines. The powder deposited on the skin is very visible and has a pronounced powdery appearance that is not close to the natural grain of the skin: makeup is not natural.

  The object of the present invention is therefore to provide a make-up or skin care composition in the form of a powder having good properties of softness when it is applied to the skin and making it possible to obtain a deposit on the skin, especially a make-up, on the natural skin with little powder revealing the natural grain of the skin.

  The inventors have discovered that such a composition is obtained by combining a barium sulphate powder with other particular powders.

  More specifically, the invention relates to a cosmetic composition in the form of a powder comprising barium sulfate, at least one elastomeric organopolysiloxane powder and at least one N-acylated amino acid powder.

  The invention also relates to a cosmetic composition in powder form comprising barium sulfate, at least one polymethyl methacrylate powder, and at least one polyurethane powder.

  The invention also relates to a cosmetic composition in powder form comprising barium sulfate, and at least one acrylic polymer powder different from a polymethyl methacrylate powder.

  The subject of the invention is also a cosmetic process for making up or non-therapeutic treatment of the skin, comprising applying to the skin a composition as defined above.

  The subject of the invention is also the use of a composition as defined above to obtain a deposit, in particular a make-up, on the natural skin and / or revealing the grain of the skin.

  The composition according to the invention comprises barium sulfate. The particles of barium sulphate may be coated with Nacylated amino acid such as those described above, and in particular coated with lauroyl lysine.

  The barium sulfate may be present in the composition according to the invention in a content ranging from 1% to 10% by weight, relative to the total weight of the composition, preferably ranging from 2 to 8% by weight, and preferably ranging from from 3% to 7% by weight.

  The composition according to the invention may comprise an elastomeric organopolysiloxane powder, preferably spherical. Such a powder makes it possible to obtain a deposit, in particular a make-up, transparent, camouflaging the defects of relief of the skin, and natural, revealing the natural grain of the skin.

  The elastomeric organopolysiloxane is advantageously crosslinked and may be obtained by crosslinking addition reaction of diorganopolysiloxane containing at least one silicon-bonded hydrogen and diorganopolysiloxane having silicon-bonded ethylenically unsaturated groups, especially in the presence of platinum catalyst; or by condensation-crosslinking dehydrogenation reaction between a hydroxyl-terminated diorganopolysiloxane and a diorganopolysiloxane containing at least one silicon-bonded hydrogen, especially in the presence of an organotin; or by crosslinking condensation reaction of a hydroxyl-terminated diorganopolysiloxane and a hydrolyzable organopolysilane; or by thermal crosslinking of organopolysiloxane, especially in the presence of organoperoxide catalyst; or by crosslinking of organopolysiloxane by high energy radiation such as gamma rays, ultraviolet rays, electron beam.

  Preferably, the crosslinked elastomeric organopolysiloxane is obtained by crosslinking addition reaction (A2) of diorganopolysiloxane containing at least two hydrogens each bonded to a silicon, and (B2) of diorganopolysiloxane having at least two silicon-bonded ethylenically unsaturated groups. , especially in the presence (C2) of platinum catalyst, as for example described in application EP-A-295886.

  In particular, the organopolysiloxane can be obtained by reaction of dimethylvinylsiloxy-terminated dimethylpolysiloxane and trimethylsiloxy-terminated methylhydrogenpolysiloxane in the presence of platinum catalyst.

  The compound (A2) is the basic reagent for the formation of organopolysiloxane elastomer and the crosslinking is carried out by addition reaction of the compound (A2) with the compound (B2) in the presence of the catalyst (C2).

  The compound (A2) is advantageously a diorganopolysiloxane having at least two lower alkenyl groups (for example C2-C4); the lower alkenyl group can be chosen from vinyl, allyl and propenyl groups. These lower alkenyl groups may be located at any position of the organopolysiloxane molecule but are preferably located at the ends of the organopolysiloxane molecule. The organopolysiloxane (A2) may have a branched chain, linear chain, cyclic or network structure but the linear chain structure is preferred. The compound (A2) may have a viscosity ranging from the liquid state to the gum state. Preferably, the compound (A2) has a viscosity of at least 100 centistokes at 25 C.

  The organopolysiloxanes (A2) may be selected from methylvinylsiloxanes, méthylvinylsiloxanediméthylsiloxane copolymers, dimethylvinylsiloxy-terminated dimethylpolysiloxane, the diméthylsiloxaneméthylphénylsiloxane copolymers terminally dimethylvinylsiloxy groups, dimethylsiloxane-diphenylsiloxane-methylvinylsiloxane copolymers terminated dimethylpolysiloxanes, dimethylsiloxane-methylvinylsiloxane copolymers terminally trimethylsiloxy, the trimethylsiloxy-terminated dimethylsiloxane-methyl phenylsiloxane-methylvinylsiloxane copolymers, dimethylvinylsiloxy-terminated methyl (3,3,3-trifluoropropyl) polysiloxane, and dimethylvinylsiloxy-terminated dimethylsiloxane-methyl (3,3,3-trifluoropropyl) siloxane copolymers.

  The compound (B2) is in particular an organopolysiloxane having at least 2 silicon-bonded hydrogens in each molecule and is therefore the crosslinking agent of the compound (A2).

  Advantageously, the sum of the number of ethylenic groups per molecule of the compound (A2) and the number of silicon-bonded hydrogen atoms per molecule of the compound (B2) is at least 4.

  Compound (B2) may be in any molecular structure, especially of linear chain structure, branched chain, cyclic structure.

  Compound (B2) may have a viscosity at 25C ranging from 1 to 50,000 centistokes, in particular to be well miscible with compound (A).

  It is advantageous that the compound (B2) is added in an amount such that the molecular ratio between the total amount of silicon-bonded hydrogen atoms in the compound (B2) and the total amount of all ethylenically unsaturated groups in the compound (A2) is in the range of 1/1 to 20/1. The compound (B2) may be chosen from trimethylsiloxy-terminated methylhydrogenpolysiloxanes, trimethylsiloxy-terminated dimethylsiloxanemethylhydrogensiloxane copolymers, and dimethylsiloxanemethylhydrogensiloxane cyclic copolymers.

  The compound (C2) is the catalyst of the crosslinking reaction, and is in particular chloroplatinic acid, chloroplatinicolefinic acid complexes, chloroplatinic acid-alkenylsiloxane complexes, chloroplatinic acid-diketone complexes, platinum black, and platinum supported .

  The catalyst (C2) is preferably added from 0.1 to 1000 parts by weight, more preferably from 1 to 100 parts by weight, as clean platinum metal per 1000 parts by weight of the total amount of the compounds (A2) and (B2).

  Other organic groups may be bonded to silicon in the organopolysiloxanes (A2) and (B2) described above, such as, for example, alkyl groups such as methyl, ethyl, propyl, butyl, octyl; substituted alkyl groups such as 2-phenylethyl, 2-phenylpropyl, 3,3,3-trifluoropropyl; aryl groups such as phenyl, tolyl, xylyl; substituted aryl groups such as phenylethyl; and substituted monovalent hydrocarbon groups such as an epoxy group, a carboxylate ester group, a mercapto group.

  Advantageously, the organopolysiloxane elastomer is non-emulsifying. The term "non-emulsifying" defines organopolysiloxane elastomers not containing a hydrophilic chain such as polyoxyalkylene or polyglycerolated units.

  Spherical elastomeric organopolysiloxanes are described in particular in applications JP-A-61-194009, EP-A-242219, EP-A-295886 and EP-A-765656, the contents of which are incorporated by reference.

  As elastomeric organopolysiloxane powders, those sold under the names "Dow Corning 9505 Powder", "Dow Corning 9506 Powder" by the company Dow Corning can be used; these powders are INCI: dimethicone / vinyl dimethicone crosspolymer.

  Advantageously, the organopolysiloxane elastomer powder may comprise at least one elastomeric organopolysiloxane powder coated with silicone resin, in particular with silsesquioxane resin, as described, for example, in patent US5538793, the content of which is incorporated by reference. Such elastomer powder is sold under the names "KSP-100", "KSP-101", "KSP-102", "KSP-103", KSP-104 "," KSP105 "by Shin Etsu, and INCI name: vinyl dimethiconelmethicone silsesquioxane Crosspolymer.

  Other elastomeric organopolysiloxanes in the form of spherical powders may be hybrid silicone powders functionalized with fluoroalkyl groups, especially sold under the name "KSP-200" by the company Shin Etsu; Hybrid silicone powders functionalized with phenyl groups, especially sold under the name "KSP-300" by Shin Etsu.

  Thus, the composition may advantageously comprise at least two organopolysiloxane elastomer powders containing at least one elastomeric organopolysiloxane powder coated with silicone resin, in particular silsesquioxane resin, as described above.

  The elastomeric organopolysiloxane powder, in particular non-emulsifying, preferably spherical, may be present in the composition in a content ranging from 5% to 25% by weight, relative to the total weight of the composition, in particular from 1% to 15% by weight. by weight, preferably ranging from 7% to 15% by weight, and preferably ranging from 8% to 12% by weight.

  In particular, the composition according to the invention may comprise an elastomeric organopolysiloxane powder coated with silicone resin, in particular with silsesquioxane resin, in a content ranging from 1% to 10% by weight, relative to the total weight of the composition, preferably ranging from 2% to 8% by weight, and preferably ranging from 3% to 7% by weight.

  The composition may comprise a mixture of elastomeric organopolysiloxane powder coated with silicone resin, especially silsesquioxane resin, and uncoated elastomeric organopolysiloxane powder. In such a mixture, the elastomeric organopolysiloxane powder coated with silicone resin, in particular silsesquioxane resin, may be present in a content ranging from 1% to 10% by weight, relative to the total weight of the composition, preferably ranging from from 2% to 8% by weight, and preferably ranging from 3% to 7% by weight; the uncoated elastomeric organopolysiloxane powder may be present in a content ranging from 1% to 10% by weight, relative to the total weight of the composition, preferably ranging from 2% to 8% by weight, and preferably ranging from 3% to 7% by weight.

  The composition according to the invention may advantageously comprise spherical fillers. These spherical fillers may be chosen from inorganic or organic fillers, and preferably from organic fillers. These spherical fillers are different from the elastomeric organopolysiloxane powders described above. These fillers are in particular non-elastomeric. Advantageously, these fillers are not film-forming, that is to say that they do not form a continuous film when they are deposited on a support such as the skin.

  The spherical fillers may be, for example, chosen from: acrylic powders, in particular polymethyl methacrylate powders, acrylic powders other than polymethyl methacrylate powders; polyurethane powders, these powders being described below.

  The composition according to the invention may comprise spherical fillers in a content ranging from 10% to 40% by weight, relative to the total weight of the composition, preferably ranging from 15% to 35% by weight, preferably ranging from 15% by weight. at 30% by weight, more preferably ranging from 15% to 25% by weight.

  According to one embodiment of the invention, the composition may comprise a powder, in particular spherical, of polymethylmethacrylate.

  The polymethyl methacrylate powders are generally in the form of hollow or solid spherical particles of white color whose number average size is generally at the micrometer scale, in particular varies from 3 to 15 microns and generally ranges from 3 to 15 microns. 10 microns. By average size in number, we denote the dimension given by the statistical size distribution to half of the population, called D50.

  It is also possible to characterize these particles of polymethyl methacrylate by their density, the latter being capable of varying in particular as a function of the size of the spherical cavity of said particles.

  In the context of the present invention, this density is evaluated according to the following protocol, called the packed density: M = 40 g of powder is poured into a graduated cylinder; then the specimen is placed on the STAV 2003 STAMPF VOLUMETER apparatus. The specimen is then subjected to 1500 settlements; then the final volume Vf of compacted powder is measured directly on the test piece. The packed density is determined by the ratio mNf, in this case 40Nf (Vf being expressed in cm3 and m in g).

  In particular, the density of the polymethyl methacrylate particles that can be used according to the invention can vary from 0.3 to 1.5, in particular from 0.5 to 1.5, and more particularly from 1 to 1.5.

  Representative and nonlimiting of polymethyl methacrylate suitable for the invention, mention may be made in particular of the polymethyl methacrylate particles sold by the company MATSUMOTO YUSHI CO under the name Micropearl M100, by LCW under the name Covabead LH 85 and those marketed by NIHON JUNYAKU under the name JURYMER MB1.

  The polymethyl methacrylate particles may be present in a content ranging from 5% to 20% by weight, relative to the total weight of the composition, preferably ranging from 7 to 18% by weight, and preferably ranging from 8% to 15% by weight. % in weight.

  The composition according to the invention may comprise a powder, in particular a spherical powder, of acrylic polymer other than a polymethyl methacrylate powder.

  In particular, the acrylic powder may be an acrylonitrile polymer or copolymer powder, and in particular expanded hollow particles of acrylonitrile polymer or copolymer. Advantageously, the particles may be made of any polymer or copolymer of acrylonitrile, expanded, non-toxic and non-irritating to the skin.

  In particular, the density of the particles is chosen in the range from 15 kg / m3 to 200 kg / m3 and better still from 40 kg / m3 to 120 kg / m3, and more preferably from 60 kg / m3 to 80 kg / m3. To obtain this low density, it is advantageous to use particles of expanded polymers or copolymers preferably based on acrylonitrile and on an acrylic or styrene monomer and / or vinylidene chloride.

  For example, a copolymer containing: from 0% to 60% of units derived from vinylidene chloride, from 20% to 90% of units derived from acrylonitrile and from 0% to 50% of units derived from an acrylic monomer may be used. or styrene, the sum of the percentages (by weight) being equal to 100. The acrylic monomer is for example a methyl or ethyl acrylate or methacrylate. The styrenic monomer is, for example, α-methylstyrene or styrene. i0

  Preferably, the particles used in the present invention are hollow particles of an expanded copolymer of vinylidene chloride and acrylonitrile or vinylidene chloride, acrylonitrile and methacrylate. These particles can be dry or hydrated.

  The particles of the invention can be obtained, for example, according to the processes of patents and patent applications EP-56219, EP-348372, EP486080, EP-320473, EP-112807 and US-3615972.

  The internal cavity of the particles in principle contains a gas which may be air, nitrogen or a hydrocarbon such as isobutane or isopentane.

  Advantageously, the particles of the invention have a particle size ranging from 1 μm to 80 μm and more preferably from 10 μm to 50 μm, and more preferably from 10 μm to 30 μm.

  The particles that can be used in the invention are, for example, the microspheres of expanded terpolymer of vinylidene chloride, acrylonitrile and methacrylate, sold under the trademark EXPANCEL by the company Expancel under the references 551 DE 50 (particle size of approximately 40 μm) , 551 DE (particle size about 30 μm and density about 65 kg / m3), 551 DE 12 (particle size about 12 μm), 551 DE 80 (particle size about 80 μm), 461 DE 50 (particle size of about 50 μm). It is also possible to use microspheres formed from the same expanded terpolymer having a particle size of about 18 μm and a density of about 70 kg / m 3, referred to below as EL 23, or having a particle size of about 34 μm, and a mass. volume of about 20 kg / m3, referred to below as EL 43.

  Advantageously, said acrylic powder is present in the composition 40 when the latter is in the form of a free powder.

  The acrylic powder different from the polymethyl methacrylate powder may be present in the composition according to the invention in a content ranging from 0.05% to 2% by weight, relative to the total weight of the composition, preferably ranging from , 1% to 1.5% by weight, and preferably ranging from 0.1% to 1.2% by weight.

  The composition according to the invention may comprise a powder, in particular a spherical powder, of polyurethane. In particular, the polyurethane powder is not film-forming, that is to say that it does not form a continuous film when it is deposited on a support such as the skin.

  Advantageously, the polyurethane powder is a copolymer powder of hexamethylene diisocyanate and trimethylol hexyl lactone. Such a polyurethane powder is sold, for example, under the names PLASTIC POWDER D-400 and PLASTIC POWDER D-800 by the company TOSHIKI.

  As another polyurethane powder, it is possible to use that sold under the name PLASTIC POWDER CS-400 by the company TOSHIKI.

  The polyurethane powder may be present in the composition according to the invention in a content ranging from 0.5% to 30% by weight, relative to the total weight of the composition, and preferably ranging from 1% to 15% by weight. and preferably ranging from 5% to 15% by weight.

  The composition according to the invention may comprise an N-acylated amino acid powder. Such a powder confers a creamy property on the cosmetic powder.

  The N-acyl amino acids may comprise an acyl group having from 8 to 22 carbon atoms, for example a 2-ethyl hexanoyl, caproyl, lauroyl, myristoyl, palmitoyl, stearoyl or cocoyl group. The amino acid can be for example lysine, glutamic acid, alanine.

  Advantageously, the N-acylated amino acid powder may be a lauroyl lysine powder.

  The N-acylated amino acid powder may be present in the composition according to the invention in a content ranging from 5% to 20% by weight, relative to the total weight of the composition, preferably ranging from 7 to 18% by weight. weight, and preferably ranging from 8% to 15% by weight.

  The composition may comprise at least one pulverulent dyestuff which may be chosen from pigments and nacres.

  By pigments, it is necessary to include particles of any shape, white or colored, mineral or organic, insoluble in the physiological medium, intended to color the composition.

  By nacres, it is necessary to understand particles of any iridescent form, in particular produced by certain molluscs in their shell or else synthesized.

  The pigments may be white or colored, mineral and / or organic. Among the inorganic pigments, mention may be made of titanium dioxide, optionally surface-treated, oxides of zirconium or cerium, and also oxides of zinc, iron (black, yellow or red) or chromium, violet manganese, ultramarine blue, chromium hydrate and ferric blue, metal powders such as aluminum powder, copper powder. i0

  Among the organic pigments, mention may be made of carbon black, D & C type pigments, and lacquers based on cochineal carmine, barium, strontium, calcium, aluminum.

  The pearlescent pigments may be chosen from white pearlescent pigments such as mica coated with titanium, or bismuth oxychloride, colored pearlescent pigments such as titanium mica coated with iron oxides, titanium mica coated with, inter alia, blue. ferric oxide or chromium oxide, titanium mica coated with an organic pigment of the aforementioned type as well as pearlescent pigments based on bismuth oxychloride.

  Goniochromatic pigments can also be used; these pigments have a relatively large color change with the angle of observation.

  The goniochromatic pigment may be chosen for example from pigments with multilayer interference structures and liquid crystal pigments.

  In the case of a multilayer structure, this may comprise for example at least two layers, each layer, independently or not of the other layer (s) being made for example from at least one material selected from the group consisting of the following materials: MgF 2, CeF 3, ZnS, ZnSe, Si, SiO 2, Ge, Te, Fe 2 O 3, Pt, Va, Al 2 O 3, MgO, Y 2 O 3, S 2 O 3, SiO, HfO 2, ZrO 2, CeO 2, Nb 2 O 5, Ta 2 O 5, TiO 2, Ag, Al, Au, Cu, Rb, Ti, Ta, W, Zn, MoS 2, cryolite, alloys, polymers and their combinations.

  The goniochromatic agents with multilayer structures are in particular those described in the following documents: US-A-3,438,796, EP-A-227423, US-A-5,135,812, EP-A-170439, EP-A-341002, US -A-4,930,866, US-A-5,641,719, EP-A-472371, EP-A-395410, EP-A-753545, EP-A-768343, EP-A-571836, EP-A708154, EP -A-579091, US-A-5,411,586, US-A-5,364,467, WO-A-97/39066, DE-A4 225 031, WO 9517479 (BASF), DE-A-196 14 637. They are in the form of flakes, metallic color.

  The multilayer structures that can be used in the invention are, for example, the following structures: Al / SiO 2 / Al / SiO 2 / Al; Cr / MgF2 / Al / MgF2 / AI; MoS2 / SiO2 / Al / SiO2 / MoS2 Fe2O3 / SiO2 / Al / SiO2 / Fe2O3 Fe2O3ISiO2IFe2O3ISiO2IFe2O3; MoS2 / Si021mica oxide / Si02 / MoS2; Fe2O3 / SiO2l mica-oxide / SiO2 / Fe2O3. Depending on the thickness of the different layers, different colors are obtained. Thus, with the Fe.sub.2 O.sub.3 / SiO.sub.2 / Al.sub.2 / SiO.sub.2 / Fe.sub.2 O.sub.3 structure, gold-green to gray-red is passed for SiO.sub.2 layers of 320 to 350 nm; from red to golden for layers of SiO2 from 380 to 400 nm; from violet to green for SiO2 layers from 410 to 420 nm; from copper to red for SiO2 layers from 430 to 440 nm.

  As a result, the multilayer structure can be essentially mineral or organic. Depending on the thickness of each of the different layers, different colors are obtained.

  The goniochromatic pigments with multilayer interferential structure according to the invention are in particular those described in the following documents: US-A-3,438,796, EP-A-227423, US-A-5,135,812, EP-A-170439, A-341002, US-A-4,930,866, US-A-5,641,719, EP-A-472371, EP-A-395410, EP-A-753545, EP-A-768343, EP-A-571836, EP-A-708154, EP-A-579091, US-A-5,411,586, US-A-5,364,467, WO-A-97/39066, DE-A-4,225,031, WO 9517479 (BASF), A-196 14 637, and their associations. They are in the form of flakes, metallic color.

  Preferably, the goniochromatic pigment with an interferential multilayer structure may be chosen from the group consisting of the following commercial goniochromatic pigments: Infinite Colors from Sihiseido, Sicopearl Fantastico from BASF, Colorstream, Xirallic, Xirona from MERCK, Colorglitter from FLEX, and their mixtures.

  3o As goniochromatic pigment with a multilayer structure, mention may be made of those sold under the name SICOPEARL. Liquid crystal pigments are described in particular in application EP-A-1046692.

  Examples of liquid crystal particles that may be used include those known under the name CTFA Polyacrylate-4 and sold under the names HELICONE HC Sapphire, HELICONE HC Scarabeus, HELICONE HC Jade, HELICONE HC Maple, HELICONE HC XL Sapphire, HELICONE HC XL Scarabeus, HELICONE HC XL Jade, HELICONE HC XL Maple by the company WACKER. The dyestuffs may be present in the composition according to

  the invention in a content ranging from 0.5% to 40% by weight, relative to the total weight of the composition, preferably ranging from 1% to 30% by weight, and preferably ranging from 3% to 25% by weight .

  The composition according to the invention may comprise at least one or more additional filler (s), different (s) elastomeric organopolysiloxane powders and spherical fillers described above.

  By fillers, it is necessary to include particles of any shape, colorless or white, mineral or synthetic, insoluble in the medium of the composition regardless of the temperature at which the composition is manufactured.

  The fillers can be mineral or organic of any shape, platelet, spherical or oblong, irrespective of the crystallographic form (for example sheet, cubic, hexagonal, orthorhombic, etc.). Mention may be made of talc, mica, silica, kaolin, polyamide (nylon) powders, poly-13-alanine powders, polyethylene powders, tetrafluoroethylene polymer powders (Teflon), starch , boron nitride, silicone resin powders (eg Toshiba's Tospearls), hydroxyapatite, sericite, glass beads, ceramic beads.

  The additional filler may be present in the composition in a content ranging from 0.5% to 75% by weight, relative to the total weight of the composition, preferably ranging from 1% to 60% by weight, and preferably ranging from % to 60% by weight.

  Advantageously, the composition according to the invention is free of compounds selected from calcium carbonate, magnesium carbonate, magnesium hydrocarbonate, chalks, titanium dioxide, metal soaps derived from organic carboxylic acids having 8 to 22 carbon atoms, preferably 12 to 18 carbon atoms, for example zinc, magnesium or lithium stearate, zinc laurate, magnesium myristate. Such compounds have the disadvantage of impairing the soft touch of the cosmetic powder.

  For example, it is meant that the composition contains less than 4% by weight, relative to the total weight of the composition, of said exempt compounds, preferably less than 3% by weight, preferably less than 2% by weight, preferably less than 1% by weight, or even does not contain (or 0% by weight) such compounds.

  The composition according to the invention may advantageously comprise a total content of pulverulent compounds ranging from 80% to 99% by weight, relative to the total weight of the composition, and preferably ranging from 85% to 99% by weight.

  The composition according to the invention may advantageously comprise at least one fatty phase which generally comprises at least one oil. This type of fatty phase is still commonly known as a binder and serves in particular as a dispersing medium for the particulate phase.

  The oil may be chosen from the oils conventionally used as binder in free or compact powders. These oils may be chosen in particular from: - mink oil, turtle oil, soybean oil, grape seed oil, sesame oil, corn oil, rapeseed oil, sunflower oil, cottonseed oil, avocado oil, olive oil, castor oil, jojoba oil, peanut oil; hydrocarbon oils, such as paraffin oils, squalane, petroleum jelly; fatty esters, such as isopropyl myristate, isopropyl palmitate, butyl stearate, isodecyl stearate, isoketyl stearate, hexyl laurate, isononyl isononanoate, 2-ethylhexyl palmitate, 2-hexyl-decyl laurate, 2-octyl-decyl palmitate, myristate or 2-octyl-dodecyl lactate, 2-diethylhexyl succinate, diisostearyl, glycerol or diglycerin triisostearate; silicone oils such as polymethylsiloxanes, polymethylphenylsiloxanes, polysiloxanes modified with fatty acids, fatty alcohols or polyoxyalkylenes, fluorinated silicones or perfluorinated oils; higher fatty acids such as myristic acid, palmitic acid, stearic acid, behenic acid, oleic acid, linoleic acid, linolenic acid or isostearic acid; higher fatty alcohols such as cetanol, stearyl alcohol or oleic alcohol; the polymethylfluoroalkyl dimethylsiloxanes of formula (I): ## STR1 ## in which: n represents a variant integer from 5 to 90, in particular from 30 to 80 and in particular from 50 to 80, - m represents an integer varying from 1 to 150, in particular from 1 to 80, and in particular from 1 to 40, - a represents an integer varying from 0 to 5, and Rf denotes a perfluoroalkyl radical comprising from 1 to 8 carbon atoms; and - their mixtures.

  As compounds of formula (I) that are particularly suitable for the invention, mention may be made especially of those sold under the name X22819, X22-820, X22-821 and X22-822 by the company Shin-Etsu.

  The composition according to the invention may comprise at least one oil in a content ranging from 1 to 20% by weight, and especially from 2 to 15% by weight relative to the total weight of the composition.

  The composition may contain other usual cosmetic ingredients which may be chosen in particular from antioxidants, perfumes, preservatives, neutralizers, surfactants, waxes, water, sunscreens, vitamins, moisturizers, self-tanning compounds , anti-wrinkle assets.

  Of course, those skilled in the art will take care to choose this or these optional additional compounds, and / or their quantity, in such a way that the advantageous properties of the composition according to the invention are not, or not substantially, impaired by the addition considered.

  Advantageously, the composition according to the invention is an anhydrous composition. By anhydrous composition is meant a composition containing less than 2% by weight of water, or even less than 0.5% of water, and especially free of water, the water not being added during the preparation of the composition but corresponding to the residual water provided by the mixed ingredients.

  The composition according to the invention may be in the form of a loose powder or a compact powder. A compact powder refers to a powder pressed using a manual or mechanical press.

  The invention is further illustrated by the examples described below. Example 1 A free face powder having the following composition was prepared: Cross-linked polydimethylsiloxane particles coated with silicone resin (KSP-100 from Shin Etsu) 5g Elastomeric silicone spherical powder (Dow Corning 9506 Powder from Dow Corning ) 5 g Polyurethane spherical powder (Toshiki Plastic Powder D-400) 10 g Polymeric methyl methacrylate powder (Ganzpearl GMP 0820 from Ganz Chemical) 10 g Microspheres of copolymer of vinylidene chloride acrylonitrile methyl methacrylate expanded with isobutane ( Expancel 551 DE 20 D60 from Expancel) 0.50 g Lauroyl lysine 5 g Lauroyl lysine-coated barium sulfate (LLD-5 BaSO4 from Daito Kasei) 5 g Talc 37.6 g Mica 15 g Iron oxides 3.30 g Preservatives 0.6 g Isocetyl Stearate 3 g The powder spreads easily on the face and has good softness properties. The makeup obtained is transparent, homogeneous, unifying, has a natural appearance revealing the grain of the skin and blurs the defects of relief of the skin.

Example 2

  A free face powder having the following composition was prepared: Cross-linked polydimethylsiloxane particles coated with 5 g silicone resin (KSP-100 from Shin Etsu) Elastomeric silicone spherical powder 5 g (Dow Corning 9506 Powder from Dow Corning ) Polyurethane spherical powder (Toshiki Plastic Powder D-400) 10 g Polymeric methyl methacrylate powder 10 g (Ganzpearl GMP 0820 from Ganz Chemical) Microspheres of copolymer of vinylidene chloride acrylonitrile 0.50 g methyl methacrylate expanded to isobutane (Expancel 551 DE 20 D60 from Expancel) Lauroyl lysine 5 g Lauroyl lysine-coated barium sulphate (Daito Kasei LLD-5 BaSO4) 5 g Talc 12.7 g Mica 12 g Iron oxides 5.2 g Nacreous pigments 26 g Preservatives 0.6 g Isocetyl stearate 3 g The powder spreads easily on the face and has good softness properties. The makeup obtained is transparent, homogeneous, unifying, has a natural appearance revealing the grain of the skin and blurs the defects of relief of the skin.

Example 3

  A free face powder having the following composition was prepared: Cross-linked polydimethylsiloxane particles coated with silicone resin 20 g (KSP-100 from Shin Etsu) Polyurethane spherical powder (Toshiki Plastic Powder D-400) 10 g Polymeric powder of polymethylmethacrylate 10 g (Ganzpearl GMP 0820 from Ganz Chemical) Microspheres of copolymer of vinylidene chloride acrylonitrile / 0.50 g of methyl methacrylate expanded with isobutane (Expancel 551 DE 20 D60 from Expancel) Lauroyl lysine 5 lauroyl lysine-coated barium sulphate (Daito Kasei LLD-5 BaSO4) 5 g Talc 27.6 g Mica 15 g Iron oxides 3.30 g Preservatives 0.6 g Isocetyl stearate 3 g The powder spreads easily on the face and has good properties of softness. The makeup obtained is transparent, homogeneous, unifying, has a natural appearance revealing the grain of the skin and blurs the defects of relief of the skin.

Example 4

  A compact face powder having the following composition was prepared: Cross-linked polydimethylsiloxane particles coated with silicone resin (KSP-100 from Shin Etsu) 5 g 40 Elastomeric silicone spherical powder (Dow Corning 9506 Powder from Dow Corning) 5 g Polyurethane spherical powder (Toshiki Plastic Powder D-400) 10 g Polymeric methyl methacrylate powder (Ganzpearl GMP 0820 from Ganz Chemical) 10 g Copolymers of vinylidene chloride / acrylonitrile copolymer) methyl methacrylate expanded to isobutane (Expancel 551 DE 20 D60 from Expancel) 0.50 g Lauroyl lysine 5 g Lauroyl lysine-coated barium sulfate (LLD-5 BaSO4 from Daito Kasei) 5 g Talc 21.2 g Mica 10 g Iron oxides 3, 30 g Zinc stearate 3 g Bismuth oxychloride 10 g Preservatives 1.4 g Phenyl trimethicone 6 g Glycerol triisostearate 6 g The powder is sieved, poured into a metal cup and then compacted.

  The powder spreads easily on the face and has good properties of softness. The makeup obtained is transparent, homogeneous, unifying, has a natural appearance revealing the grain of the skin and blurs the defects of relief of the skin.

Claims (64)

  1. Cosmetic composition in powder form comprising barium sulfate, at least one elastomeric organopolysiloxane powder and at least one N-acylated amino acid powder.   2. Cosmetic composition in powder form comprising barium sulfate, at least one polymethyl methacrylate powder, and at least one polyurethane powder.   3. Cosmetic composition in powder form comprising barium sulfate, and at least one acrylic polymer powder different from a polymethyl methacrylate powder.   4. Composition according to claim 2 or 3, characterized in that it comprises an elastomeric organopolysiloxane powder.   5. Composition according to any one of claims 1 or 4, characterized in that the organopolysiloxane elastomer is selected from those obtained: - by crosslinking addition reaction of diorganosiloxane containing at least one silicon-bonded hydrogen and diorganopolysiloxane having silicon-bonded ethylenically unsaturated groups; by condensation reaction crosslinking dehydrogenation between a hydroxyl-terminated diorganopolysiloxane and a diorganopolysiloxane containing at least one silicon-bonded hydrogen; by crosslinking condensation reaction of a hydroxyl-terminated diorganopolysiloxane and a hydrolyzable organopolysilane; by thermal crosslinking of organopolysiloxane; by crosslinking of organopolysiloxane by high energy radiation.   6. Composition according to any one of claims 1 and 4, 5, characterized in that the organopolysiloxane elastomer is obtained by addition reaction crosslinking (A) of diorganopolysiloxane containing at least two hydrogens each bonded to a silicon, and (B) diorganopolysiloxane having at least two ethylenically unsaturated groups bonded to silicon, especially in the presence (C) of platinum catalyst.   7. Composition according to any one of claims 1 and 4 to 6, characterized in that the organopolysiloxane elastomer is obtained by reaction of dimethylvinylsiloxy-terminated dimethylpolysiloxane and trimethylsiloxy-terminated methylhydrogenpolysiloxane in the presence of platinum catalyst.   8. Composition according to any one of claims 1 and 4 to 7, characterized in that the crosslinked organopolysiloxane is a non-emulsifying elastomer.   9. Composition according to any one of claims 1 and 4 to 8, characterized in that the elastomeric organopolysiloxane powder comprises an elastomeric organopolysiloxane powder coated with silicone resin, especially silsesquioxane resin.   10. Composition according to any one of claims 1 and 4 to 9, characterized in that the organopolysiloxane elastomer powder is a spherical powder.   11. Composition according to any one of claims 1 and 4 to 10, characterized in that the organopolysiloxane powder is present in a content ranging from 5% to 25% by weight, relative to the total weight of the composition, preferably ranging from 7% to 15% by weight, and preferably ranging from 8% to 12% by weight.   12. Composition according to Claim 9, characterized in that the elastomeric organopolysiloxane powder coated with silicone resin, in particular silsesquioxane resin, is present in a content ranging from 1% to 25% by weight, relative to the total weight. of the composition, preferably ranging from 2% to 8% by weight, and preferably ranging from 3% to 7% by weight.   13. Composition according to any one of claims 1 and 4 to 12, characterized in that it comprises a mixture of elastomeric organopolysiloxane powder coated with silicone resin, especially silsesquioxane resin, and organopolysiloxane elastomer powder. uncoated.   14. Composition according to the preceding claim, characterized in that the uncoated elastomeric organopolysiloxane powder is present in a content ranging from 1% to 10% by weight, relative to the total weight of the composition, preferably from 2 to 10% by weight. % to 8% by weight, and preferably ranging from 3% to 7% by weight.   15. Composition according to Claim 13, characterized in that the elastomeric organopolysiloxane powder coated with silicone resin is present in a content ranging from 1% to 10% by weight, relative to the total weight of the composition, preferably ranging from 2% to 8% by weight, and preferably ranging from 3% to 7% by weight.   16. Composition according to any one of the preceding claims, characterized in that it comprises at least one spherical filler.   17. Composition according to any one of the preceding claims, characterized in that the spherical filler is chosen from organic fillers.   18. Composition according to any one of claims 16, 17, characterized in that the spherical fillers are chosen from polymethyl methacrylate powders, acrylic powders different from polymethyl methacrylate powders, polyurethane powders.   19. Composition according to any one of claims 16 to 18, characterized in that the spherical fillers are present in a content ranging from 10% to 40% by weight, relative to the total weight of the composition, preferably ranging from 15% to 35% by weight, preferably ranging from 15% to 30% by weight, more preferably ranging from 15% to 25% by weight.   20. Composition according to any one of claims 1 and 3 to 19, characterized in that it comprises a polymethyl methacrylate powder.   21. Composition according to claim 2 or 20, characterized in that the polymethyl methacrylate powder has a density ranging from 0.3 to 1.5, especially from 0.5 to 1.5, and more particularly from 1 to 1.5.   22. Composition according to any one of claims 2, 20, 21, characterized in that the polymethyl methacrylate powder is present in a content ranging from 5% to 20% by weight, relative to the total weight of the composition preferably from 7 to 18% by weight, and preferably ranging from 8% to 15% by weight.   23. Composition according to any one of the preceding claims, characterized in that it comprises an acrylic polymer powder other than a polymethyl methacrylate powder.   24. Composition according to the preceding claim, characterized in that the acrylic polymer powder is a polymer powder or acrylonitrile copolymer.   25. Composition according to the preceding claim, characterized in that the acrylic polymer powder comprises expanded hollow particles of acrylonitrile polymer or copolymer.   26. Composition according to any one of claims 3 and 23 to 25, characterized in that the acrylic polymer powder comprises particles having a density ranging from 15 kg / m 3 to 200 kg / m 3 and better still from 40 kg / m 2. m3 to 120 kg / m3, and preferably from 60 kg / m3 to 80 kg / m3.   27. Composition according to any one of claims 2 and 23 to 26, characterized in that the acrylic polymer is a copolymer of acrylonitrile and an acrylic or styrenic monomer and / or vinylidene chloride.   28. Composition according to any one of claims 2 and 23 to 27, characterized in that the acrylic polymer is a copolymer containing: from 0% to 60% of units derived from vinylidene chloride, from 20% to 90% of units derived from acrylonitrile and from 0% to 50% of units derived from an acrylic or styrenic monomer, the sum of the percentages (by weight) being equal to 100.   29. Composition according to the preceding claim, characterized in that the acrylic monomer is chosen from methyl (meth) acrylate and (meth) acrylate.   30. Composition according to Claim 27, characterized in that the styrenic monomer is α-methylstyrene or styrene.   31. Composition according to any one of claims 2 and 23 to 30, characterized in that the acrylic polymer powder comprises hollow particles of an expanded copolymer of vinylidene chloride and acrylonitrile or vinylidene chloride, acrylonitrile and methacrylate.   32. Composition according to any one of claims 2 and 23 to 31, characterized in that the acrylic polymer powder comprises particles having an internal cavity of the particles containing a gas selected from air, nitrogen, nitrogen, isobutane, isopentane.   33. Composition according to any one of claims 2 and 23 to 32, characterized in that the acrylic polymer powder comprises particles having a particle size ranging from 1 μm to 80 μm, preferably ranging from 10 μm to 50 μm, and preferably ranging from 10 pm to 30 pm.   34. Composition according to any one of claims 2 and 23 to 33, characterized in that the acrylic powder different from the polymethyl methacrylate powder is present in a content ranging from 0.05% to 2% by weight, relative to the total weight of the composition, preferably ranging from 0.1% to 1.5% by weight, and preferably ranging from 0.1% to 1.2% by weight.   35. Composition according to any one of claims 1 and 3 to 32, characterized in that it comprises a polyurethane powder.   36. Composition according to any one of claims 1 and 35, characterized in that the polyurethane powder is a copolymer powder of hexamethylene diisocyanate and trimethylol hexyl lactone.   37. A composition according to any one of claims 1 and 35, 36, characterized in that the polyurethane powder is present in a content w ranging from 0.5% to 30% by weight, relative to the total weight of the composition, and preferably ranging from 1% to 15% by weight, and preferably ranging from 5% to 15% by weight.   38. Composition according to any one of claims 2 to 37, characterized in that it comprises a Nacylated amino acid powder.   39. A composition according to any one of claims 1 and 38, characterized in that the N-acylated amino acid comprises an acyl group having 8 to 22 carbon atoms.   40. Composition according to any one of Claims 1, 38, 39, characterized in that the N-acylated amino acid comprises an acyl group chosen from the grids 2-ethyl hexanoyl, caproyl, lauroyl, myristoyl, palmitoyl, stearoyl cocoyl   41. Composition according to any one of claims 1 and 38 to 40, characterized in that the amino acid is chosen from lysine, glutamic acid, alanine.   3o 42. Composition according to any one of claims 1 and 38 to 41, characterized in that the N-acylated amino acid is lauroyl lysine.   43. Composition according to any one of claims 1 and 38 to 42, characterized in that the N-acylated amino acid powder is present in a content ranging from 5% to 20% by weight, relative to the total weight. of the composition, preferably ranging from 7 to 18% by weight, and preferably ranging from 8% to 15% by weight.   44. Composition according to any one of the preceding claims, characterized in that the barium sulphate is coated with N-acylated amino acid.   45. Composition according to the preceding claim, characterized in that the N-acylated amino acid is according to any one of claims 39 to 42.   46. Composition according to any one of the preceding claims, characterized in that the barium sulfate is coated with lauroyl lysine.   47. Composition according to any one of the preceding claims, characterized in that the barium sulphate is present in a content ranging from 1% to 10% by weight, relative to the total weight of the composition, preferably ranging from 2 to 8% by weight, and preferably ranging from 3% to 7% by weight.   48. Composition according to any one of the preceding claims, characterized in that it comprises at least one pulverulent dyestuff.   49. Composition according to the preceding claim, characterized in that the pulverulent coloring material is chosen from pigments and pearlescent agents.   50. Composition according to the preceding claim, characterized in that the pulverulent dyestuff is present in a content ranging from 0.5% to 40% by weight, relative to the total weight of the composition, preferably ranging from 1% to 30% by weight, and preferably ranging from 3% to 25% by weight.   51. Composition according to any one of the preceding claims, characterized in that it comprises at least one additional filler.   52. Composition according to the preceding claim, characterized in that the additional filler is selected from talc, mica, silica, kaolin, polyamide powders, poly-f3alanine powders, polyethylene powders, powders. of tetrafluoroethylene polymers, starch, boron nitride, silicone resin powders, hydroxyapatite, sericite, glass beads, ceramic beads.   53. Composition according to any one of claims 51 and 52, characterized in that the additional filler is present in a content ranging from 0.5% to 75% by weight, relative to the total weight of the composition, preferably ranging from 1% to 60% by weight, and preferably ranging from 5% to 60% by weight.   54. Composition according to any one of the preceding claims, characterized in that it is free of compounds selected from calcium carbonate, magnesium carbonate, magnesium hydro-carbonate, chalks, titanium dioxide. metal soaps derived from organic carboxylic acids having from 8 to 22 carbon atoms.   55. Composition according to any one of the preceding claims, characterized in that it comprises a total content of pulverulent compounds ranging from 80% to 99% by weight, relative to the total weight of the composition, and preferably ranging from 85% to 99% by weight.   56. Composition according to any one of the preceding claims, characterized in that it comprises at least one oil.   57. Composition according to the preceding claim, characterized in that the oil is present in a content ranging from 1 to 20% by weight, and in particular from 2 to 15% by weight relative to the total weight of the composition.   58. Composition according to any one of the preceding claims, characterized in that it comprises a cosmetic ingredient chosen from antioxidants, perfumes, preservatives, neutralizers, surfactants, waxes, water, sunscreens. vitamins, moisturizers, self-tanning compounds, anti-wrinkle active ingredients, deodorant active ingredients.   59. Composition according to any one of the preceding claims, characterized in that it is anhydrous.   60. Composition according to any one of the preceding claims, characterized in that it is in the form of a loose powder or a compact powder.   61. Composition according to any one of the preceding claims, characterized in that it is a makeup powder or a skin care powder.   62. Composition according to any one of the preceding claims, characterized in that the composition is in the form of a foundation, an eyeshadow, a blush, a concealer, a body make-up product, a facial care product, a body care product, a deodorant powder.   63. A cosmetic process for making up or therapeutic treatment of the skin 40 comprising applying to the skin a composition according to any one of the preceding claims.   64. Use of a composition according to any one of claims 1 to 62 to obtain a deposit, including a makeup, on the natural skin and / or revealing the grain of the skin.