FR2983067A1 - Composition, useful to fragrance human keratin materials, comprises dispersed oil phase comprising nonpolar hydrocarbon oil, continuous aqueous-alcoholic phase, fragrancing substance, magnesium silicate particles and polyalkylene glycol - Google Patents

Abstract

Composition in the form of an oil-in-water emulsion comprises: a dispersed oil phase comprising at least one nonpolar hydrocarbon oil; a continuous aqueous-alcoholic phase comprising at least one 1-4C monoalcohol; at least 1 wt.% of fragrancing substance; magnesium silicate particles; and at least one polyalkylene glycol.

Description

The present invention relates to the field of perfumes, and in particular to the field of compositions in the form of beads suspended in a liquid used after stirring. It relates more particularly to a composition in the form of an oil-in-water emulsion, comprising in a cosmetically acceptable medium: (i) a dispersed oily phase comprising at least one apolar hydrocarbon oil; (ii) a continuous hydroalcoholic phase comprising at least one C1-C4 monoalcohol; (iii) at least 1% by weight of perfume substance (s), based on the total weight of said composition; (iv) magnesium silicate particles; and (v) at least one polyalkylene glycol. It also relates to a method of perfuming human keratin materials and / or a garment in contact with said keratinous materials comprising applying to these keratin materials and / or said garment a composition according to the invention. Be it to mask a strong and / or unpleasant smell or to give a good smell, human beings have always sought to perfume and perfume the 20 objects or places that surround them. That's why a very large number of new fragrances appear on the market each year, ie about 500 new launches in Europe per year. Very few of these perfumes will eventually prove to be successful in the perfume market, due to multiple factors. One of these factors is the attraction of the product presentation. Indeed, in order to differentiate themselves from their competitors, perfumers can present their perfumes I. Luxurious bottles, even wear evocative names, in order to attract the consumer. In addition or as an alternative to. the presentation of the perfumes in a luxurious bottle, it may be proposed a particular galenic form of perfume which would itself attract the consumer's attraction.

In particular, bi-phasic perfuming compositions were used which appeal to consumers by their aesthetics. These compositions consist of two immiscible phases between them and mixing extemporaneously by shaking before use.

Unlike the compositions of the present invention, the two phases of these compositions are two distinct layers superimposed, of different colors from each other, without forming particular patterns, and separated by a very distinct interface. The application FR 2 208 642 teaches the use and the preparation, in general, of two-phase liquid cosmetic compositions, called Pickering Emulsion type, which are attractive in view of the fact that the oily phase is dispersed in the form of spheres. in a homogeneous mixture between an organic liquid and water. Separately solid particles are adsorbed in the interface between the oil and the homogeneous mixture to stabilize the oily spheres. However, fragrance compositions are never discussed in this document. Patent EP 1 005 849 discloses two-phase compositions for the treatment of hair or scalp. There is a need for alternative or improved perfuming compositions, with respect to known perfuming compositions, in particular hydroalcoholic solutions and bi-phasic compositions. In the context of the present invention, the inventors have demonstrated that the solid particles located at the interface of the two phases in these compositions tend to sediment with time when they comprise high levels of substance (s). perfume (s), namely greater than or equal to 1% by weight relative to the total weight of the composition. They furthermore discovered that when the content of perfuming substance (s) reaches 5% by weight, the emulsion becomes destabilized and a so-called phase shift phenomenon occurs. There is therefore a need for a "Pickering" type emulsion composition with perfuming properties which may comprise a content of perfume substance (s) greater than or equal to 1% by weight relative to the total weight of the composition. while maintaining good stability over time. The present invention aims to meet these needs.

Unexpectedly, the inventors have demonstrated, in the context of the present application, that the addition of polyalkylene glycols in a "Pickering" emulsion-type composition comprising a content of perfuming substance (s) greater than or equal to 1 % allowed to prevent the harmful phenomena indicated above, namely the phenomena of sedimentation or even phase shift. Thus, the present invention firstly relates to a composition in the form of an oil-in-water emulsion, comprising in a cosmetically acceptable medium: (i) a dispersed oily phase comprising at least one apolar hydrocarbon-based oil; (ii) a continuous hydroalcoholic phase comprising at least one C1-C4 monoalcohol; (iii) at least 1% by weight of perfuming substance (s), relative to the total weight of said composition; (iv) magnesium silicate particles and (y) at least one polyalkylene glycol. To the knowledge of the inventors, the problem posed in the present invention has never been raised, as a result of which the resolution of this problem by the addition of polyalkylene glycol has never been proposed. By "perfuming substance" is meant any perfume or aroma likely to give off a pleasant odor. By "cosmetically acceptable medium" is meant a medium compatible with the skin and / or its integuments or mucous membranes which have a pleasant color, odor and feel and which do not generate unacceptable discomfort (tingling, tightness, redness), which may to divert the consumer from using this composition. By "human keratin materials" is meant the skin (body, face, eye contour), hair, eyelashes, eyebrows, hair, nails, lips, mucous membranes and more particularly the skin. By "hydroalcoholic phase" is meant a phase comprising at least water and an organic compound comprising at least one OH function. The present invention consequently makes it possible to have a composition having perfuming properties because of the presence of a content of perfuming substance (s) which may be greater than or equal to 1% by weight relative to the total weight of the composition while maintaining good stability over time. The compositions according to the invention, because of their appearance of beads in suspension, are particularly attractive, particularly with respect to traditional perfuming compositions of hydroalcoholic or bi-phasic nature. The compositions according to the invention also have the advantage of not having to use surfactants. The absence of these compounds makes it possible to overcome a certain number of disadvantages, such as those set forth in patent application FR 2 208 642. The compositions according to the invention provide, in comparison with the usual galenics, perfumes, especially the hydroalcoholic solutions an important moisturizing effect as well as better sensory effects such as a touch more silky on the skin and less drying. The perfume compositions according to the invention can be easily prepared in the cold or at room temperature in contrast to known emulsion preparation techniques generally prepared hot. In particular, it is possible to obtain emulsions by simple stirring, for example using a blade mixer. The present invention also relates to a process for perfuming human keratin materials and / or a garment in contact with said keratinous materials comprising applying to said keratin materials and / or said garment a composition according to the invention. For the purposes of the present invention, the term "preventing" means decreasing the risk of occurrence of the phenomena more particularly discussed above, namely the phenomena of sedimentation of the particles of the interface, or even phase shift of the the composition according to the invention. Preferably, the composition of the invention will be in liquid form. For the purposes of the present invention, the term "liquid composition" means a composition which does not appear in a solid form and the viscosity of which is measured using a Rheomat 180 viscometer at 25 ° C. at the rotation speed of 200 RPM after 10 minutes of rotation is less than or equal to 2 Pa.s and more preferably ranges from 0.01 to 0.5 Pa.s.

For the purposes of the present invention, the term "surfactant" means an amphiphilic molecule, that is to say that it has two parts of different polarity, one lipophilic (which retains fat) and apolar, the other hydrophilic (miscible in water) and polar. Thus, the solid particles in accordance with the invention are not considered as surfactants within the meaning of the present invention. Dispersed oily phase As indicated above, a composition in accordance with the invention comprises a dispersed oily phase comprising, in accordance with the law, an apolar hydrocarbon oil. By "apolar oil" within the meaning of the present invention is meant an oil whose solubility parameter at 25 ° C 8a is equal to 0 (J / cm3) Y2. The definition and calculation of the solubility parameters in the HANSEN three-dimensional solubility space are described in the article by C. M. Hansen: "The three dimensional solubility parameters" J. Paint Technol. 39, 105 (1967). According to this Hansen space: - 8D characterizes the LONDON dispersion forces resulting from the formation of dipoles induced during molecular shocks; - 8p characterizes the DEBYE interaction forces between permanent dipoles 20 as well as the KEESOM interaction forces between induced dipoles and permanent dipoles; - 8h characterizes the specific interaction forces (hydrogen bond, acid / base, donor / acceptor type, etc.); and - 8a is determined by the equation: 8a = (8p2 + 8h2) 1/2. The parameters 8p, 8h, 8D and 8a are expressed in (J / cm3) '/ 2. An apolar oil according to the invention is hydrocarbon-based. By "hydrocarbon oil" is meant an oil formed essentially, or even constituted, of carbon and hydrogen atoms, and possibly of oxygen, nitrogen, and not containing a silicon atom or fluorine. It may contain alcohol, ester, ether, carboxylic acid, amine and / or amide groups. According to one embodiment, the apolar hydrocarbon oil according to the invention is devoid of heteroatom (s). By heteroatom is meant an atom other than carbon or hydrogen.

The apolar oil according to the invention may be non-volatile. The term "non-volatile oil" means any oil having a vapor pressure at ambient temperature and atmospheric pressure, non-zero less than. 0.02 of Hg and better still less than 10-3 mm of lig.

An apolar hydrocarbon oil according to the invention advantageously represents from 5% to 40% by weight of the total weight of the composition, preferably from 5% to 30% by weight, preferably from 10% to 30% by weight relative to the weight total of the composition containing it. According to a preferred embodiment, the apolar hydrocarbon oil used in the present invention is nonvolatile, and may advantageously be chosen from saturated, linear or branched alkanes. An apolar hydrocarbon oil according to the invention may be chosen from oils whose molecular mass is between 300 and 900 g / mol, preferably between 350 and 800 g / mol. According to a preferred embodiment, the apolar hydrocarbon oil is chosen from linear or branched hydrocarbons of mineral or synthetic origin, preferably from a liquid paraffin oil, volatile or nonvolatile, hydrogenated isoparaffin, naphthalene, a totally or partially hydrogenated liquid polydecene, isoeicosane, a decene / butene copolymer, or a polybutene / polyisobutene copolymer and mixtures thereof. Hydrocarbon means a compound consisting of carbon and hydrogen. According to a particular embodiment, use will preferably be made of nonpolar hydrocarbon oils: hydrogenated isoparaffins, such as, for example, the hydrogenated polyisobutene sold under the name Parleam by Rossow or under the name Polysynlane by Nippon oil & Fat or Polyesther Corp .; isoparaffin C8-C9 sold under the name Isopar E by Exxon Mobil Chemical; the isoparaffin C11-C13 from DIXON sold under the name Isopar L, or the isoparaffin C13-C14 sold under the name Isopar M by Exxonmobil Chemical, liquid paraffins from Petro Canada: Puretol 9, or Blandol de Sonneborn, or Marcol 82 marketed by Exxonmobil Chemical, and - the perhydrosquenes vegans sold under the name of olive squalane by SOS corporation Alimentaria, or Vegetable squalane by lake oil, or Exolive by Caroi Line Cosmetica. An oily dispersed phase according to the invention is in the form of spheres of more or less homogeneous size which can vary from 0.5 to 20 mm, preferably from 0.5 to 10 mm, preferably from 1 to 5 mm. The number of oily spheres will vary depending on the percentage of perfume, oil and magnesium silicate particles. It can be from 1 to several million per liter of formulation depending on their size. These spheres may be present in the upper or lower part of the composition comprising them or in both parts of the composition. A dispersed oily phase according to the invention may also comprise at least one liposoluble coloring agent. . Such a dye may be of natural or synthetic origin. For the purposes of the invention, the term "liposoluble dye" means any generally organic compound, natural or synthetic, soluble in an oily phase. For example, it is possible to mention as liposoluble dye according to the invention; - a purple organic dye, D & C VIOLET # 2 K7014. Chemical name: SS alizurol purple; - a green organic dye, D & C GREEN NO. 6 K7016 / 90097 D & C GREEN 6. Dwarf Chemical: quinizaxin green E SS; - a pink organic dye, D & C RED # 21 K7061 / SUNCROMA D & C RED 21 C 14-032. Chemical name: Eosine; and - an orange vegetable dye, BETATENE 30% OLV. Dwarf Chemical: Carotenoids (CI.75130-E160 A) at 30% in olive oil.

The liposoluble dyes in accordance with the invention may also be chosen from Sudan red, D & C Red 17, I3-carotene, Sudan brown, D & C Yellow 11, D & C Orange 5, yellow quinoline and annatto.

The dispersed oily phase according to the invention may further comprise other oils, such as silicone oils, vegetable oils insofar as these do not alter the stability of the composition according to the invention.

Continuous hydroalcoholic phase As indicated above, a composition in accordance with the invention comprises, in addition to a dispersed oily phase, a continuous aqueous phase comprising at least one C 1 -C 4 monoalcohol. A monoalcohol according to the invention may preferably be chosen from linear hydroxy-C 1 -C 4. Ethanol will be used more particularly. Such mono-alcohol may be present in a content ranging from 50% to 90% by weight, preferably from 53% to 70% by weight relative to the total weight of the composition. This continuous aqueous phase comprises at least water. This is preferably present in a content ranging from 0.5% to 10% by weight, and more preferably from 1% to 5% by weight relative to the total weight of the composition according to the invention. The continuous hydroalcoholic phase according to the invention may also comprise at least one water-soluble dye. This may be of synthetic or vegetable origin. For the purposes of the invention, the term "water-soluble dye" is intended to mean any compound, generally organic, natural or synthetic, soluble in an aqueous phase or in water-miscible solvents such as C 1 -C 4 monols and suitable for color. As water-soluble dyes that are suitable for the invention, water-soluble synthetic or natural dyes, such as, for example, FDC Red 4, DC Red 6, DC Red 22, DC Red 28, DC Red 30, DC Red 33, DC 25 Orange 4, DC Yellow 5, DC Yellow 6, DC Yellow 8, FDC Green 3, DC Green 5, FDC Blue 1, betanin (beet), carmine, copper chlorophylline, methylene blue, anthocyanins (enocianin, black carrot, hibiscus, elderberry), caramel and riboflavin. According to a particularly preferred form of the invention, the dispersed oily phase and the continuous aqueous phase are adjusted so that the absolute value of the density difference (Ad) between the dispersed oily phase and the continuous aqueous phase is at most 0.05, advantageously at most 0.01.

Magnesium silicate particles The composition according to the invention also comprises magnesium silicate particles intended to stabilize the composition according to the invention by positioning at the disperse phase / continuous phase interface. The magnesium silicates according to the invention may be of natural or synthetic origin. Talc is particularly preferred as magnesium silicate according to the invention.

Talcs are hydrated magnesium silicates, most often aluminum silicate. The crystalline structure of the talc consists of repeated layers of a brucite sandwich between silica layers. The talc according to the invention may more particularly be chosen from those sold under the names ROSE TALC 'and TALC SG-2000® sold by the company Nippon Talc, LUZENAC PHA' AM® sold by the company LUZENAC, J-68BC de US Corporation and MICRO ACE-P-3'1 sold by the company Nippon Talc. The solid magnesium silicate particles may be used in a content preferably of between 0.05 and 5% by weight, more preferably of 0.1% to 2% by weight, and still more preferably of 0.1% by weight. 1% by weight relative to the total weight of the composition containing them. They also preferably have a size ranging from 1 to 30, more preferably from 1 to 20 μm, more preferably from 2 to 15 perfuming substances. A composition according to the invention additionally comprises at least 1% by weight of substance (s). ) perfume (s), or perfume (s), relative to the total weight of the composition. Fragrances are compositions containing in particular the raw materials described in S. Arctander, Perfume and Flavor Chemicals (Montclair, NJ, 1969), in S. Arctander, Perfume and Flavor Materials of Natural Origin (Elizabeth, NJ, 1960) and in "Flavor and Fragrance Materials - 1991", Allured Publishing Co. Wheaton, 111. They may also be natural products, such as essential oils, absolutes, resinoids, resins, concretes, and / or synthetic products. (terpene or sesquiterpenic hydrocarbons, alcohols, phenols, aldehydes, ketones, ethers, acids, esters, nitriles, peroxides, saturated or unsaturated, aliphatic or cyclic). According to the definition given in the International Standard ISO 9235 and adopted by the European Pharmacopoeia Commission, an essential oil is a fragrant product generally of complex composition, obtained from a botanically defined plant raw material, either by training in the water vapor, either by dry distillation or by a suitable mechanical process without heating (cold expression). The essential oil is most often separated from the aqueous phase by a physical process that does not entail a significant change in the composition. Among the essential oils that may be used according to the invention, mention may be made of those obtained from plants belonging to the following botanical families: Abietaceous or Pinaceae: conifers; Amaryllidaceae; Anacardiaceae; Anonaceae: ylang; Apiaceae (eg umbelliferae): dill, angelica, coriander, sea fennel, carrot, parsley; Aracées; Aristolochiaceae; Asteraceae: achiliate, mugwort, chamomile, helichrysum; Betulaceae; Sicaceous arms; Burseraceae: incense; Caryophyllaceae; Canellaceae; Césalpiniaceae: copaïfera (copahu); Chenopodaceae; Cistaceae: rockrose; Cyperaceae; Dipterocarpaceae; Ericaceae: wintergreen; Euphorbiaceae; Fabaceae; Geraniaceae: geranium; Guttifers; Hamamelidaceae; Hernandiaceae; Hypericaceae: St. John's wort; Iridaceae; Juglandaceae; Lamiaceae: thyme, oregano, shrimps, savory, basil, marjoram, mint, patchouli, lavender, sage, catnip, rosemary, hyssop, lemon balm, rosemary; Lauraceae: ravensara, laurel, rosewood, cinnamon, litsea; Liliaceae: garlic; Magnoliaceae: magnolia; Malvaceae; Meliaceae; Monimiaceae; Moraceae: hemp, hops; Myricaceae; Mysristicaceae: nutmeg; Myrtaceae: eucalyptus, tea tree, niaouli, cajeput, backousia, clove, myrtle; Oleaceae; Piperaceae: pepper; Pitosporaceae; Poaceae: lemongrass, lemongrass, vetiver; Polygonaceae; Renonculaceae; Rosaceae: roses; Rubiaceae; Rutaceae: all citrus; Salicaceae; Santalaceae: sandalwood; Saxifragaceae; Schisandracées; Styracaceae: benzoin; Thymelaceae: agarwood Tilliaceae; Valerianaceae: valerian, nard; Verbenaceae: I lantana, verbena; Violaceae; Zingiberaceae: galangal, turmeric, cardamom, ginger; Zygophyllaceae. We can also mention the essential oils extracted from flowers (lily, lavender, rose, jasmine, ylang-ylang, neroli), stems and leaves (patchouli, geranium, petit-grain), fruits (coriander, anise, cumin, juniper), fruit peel (bergamot, lemon, orange), roots (angelica, celery, cardamom, iris, acore, ginger), wood (pine wood, sandalwood, guaiac, rose cedar, camphor), d herbs and grasses (tarragon, rosemary, basil, lemon grass, sage, thyme), needles and branches (spruce, fir, pine, dwarf pine), resins and balms (galbanum, elemi, benzoin, myrrh , oliban, opopanax).

Examples of perfuming substances are in particular: geraniol, geranyl acetate, farnesol, borneol, bornyl acetate, linalool, linalyl acetate, linalyl propionate, linalyl butyrate, tetrahydrolinalol citronellol, citronellyl acetate, citronellyl formate, citronellyl propionate, dihydromyrcenol, dihydromyrcenyl acetate, tetrahydromyrcenol, terpineol, terpinyl acetate, nopol, nopyl acetate, nerol, neryl acetate, 2-phenylethanol, 2-phenylethyl acetate, benzyl alcohol, benzyl acetate, benzyl salicylate, styrallyl acetate, benzyl benzoate, amyl salicylate, dimethylbenzyl carbinol, trichloromethylphenylcarbinyl acetate, p-tertbutylcyclohexyl acetate, isononyl acetate, vettiveryl acetate, vetoterol, alpha-hexylcinnamaldehyde, 2-methyl -3- (p-tert-butylphenyl) propanal, 2-methyl-3- (pisopropylphenyl) propanal, 3- (p-tert-butylphenyl) -propanal, 2,4-dimethylcyclohex-3-enyl-carboxaldehyde, tricyclodecenyl acetate, tricyclodecenyl propionate, 4- (4-Hydroxy-4-methylpentyl) -3-cyclohexenecarboxaldehyde, 4- (4-methyl-3-pentenyl) -3-cyclohexenecarboxaldehyde, 4-acetoxy-3-pentyl-tetrahydropyran, 3-carboxymethyl-2 -pentylcyclopentane, 2-n-4-heptylcyclopentanone, 3-methyl-2-pentyl-2-cyclopentenone, menthone, carvone, tagetone, geranyl acetone, n-decanal, n-dodecanal, 9 Decene-1-1, phenoxyethyl isobutyrate, phenylacetaldehyde dimethylacetal, phenylacetaldehyde diethylacetal, geranonitrile, citronellonitrile, cyroyl acetate, 3-isocamphylcyclohexanol, cedaryl methyl ether, isolongifolanone, , hawthorn, heliotropine, coumarin, eugenol, vanillin, diphenyl ether, citral, citronellal, hydroxycitronellal, damascone, ionones, methylionones, isomethylionones, solanone, irones, cis-3-hexenol and its esters, musks-indanes, musks-tetralines, musks-isochromanes, macrocyclic ketones, musks-macrolactones, aliphatic musks, ethylene brassylate, rose essence and mixtures thereof. According to a preferred embodiment of the invention, a mixture of different perfuming substances is used which generates in common a pleasant note for the user. Perfume substances should preferably be chosen so that they produce notes (head, heart and base) in the following families: hesperidines, aromatics, floral notes, spices, woody plants, gourmands, chyprés, the 10 ferns, leather and musks. The perfuming compositions of the invention necessarily contain at least 1% by weight of perfume substance (s), preferably at most 30% by weight, in particular from 1% to 25% by weight, and in particular of 3% by weight. at 15% by weight of perfuming substance (s) relative to the total weight of the composition containing it. Polyalkylene glycol A composition according to the invention also comprises at least one polyalkylene glycol. The presence of such a compound in the perfume compositions according to the invention advantageously allows to incorporate a content greater than or equal to 1% by weight of perfuming substances in a pickering composition according to the invention, without observing phenomenon of sedimentation and / or phase shift generally observed when the content of perfuming substances reaches such proportions in such compositions. According to one particular embodiment, the polyalkylene glycol according to the invention may have the following formula (I): H- [O-R -], - OH (I), with - R represents a linear alkyl chain having 1 to 4 carbon atoms, and n is an integer from 4 to 200, preferably from 4 to 40. According to a particular embodiment, n is an integer from 4 to 20, advantageously from 6 to 10.

According to a particular embodiment, a polyalkylene glycol according to the invention is a polyethylene glycol. Thus, according to a preferred embodiment, a polyalkylene glycol according to the invention is a polyethylene glycol with n being an integer ranging from 4 to 20, advantageously from 6 to 10. According to a preferred embodiment, a polyalkylene glycol conforming to the invention may be chosen from PEG-80E such as the product sold under the trade name Polyethyleneglycol 400 DUB PEG-8 from the company STEARINEERIE DUBOIS or the trade name Polyglycol 400 from the company CL ANT or the PEG 60E, sold under the trade name C OWAX PEG-300 from the company DOW CHEMICAL. The polyalkylene glycol (s) are preferably present in the composition in concentrations ranging from 0.1% to 3%, more preferably from 0.5% to 2% by weight relative to the total weight of the composition. Water-soluble metal salt A composition according to the invention may further comprise at least one water-soluble metal salt. By "water-soluble metal salt" is meant any metal salt, cosmetic or dermatological, capable of being completely dissolved in the molecular state in a liquid aqueous phase comprising water or a mixture of water / monoalcohol in C1- C4. By metal salt is meant according to the present invention a salt of a metal, that is to say a simple body capable of releasing simple cations (Dictionary of Chemistry and its Applications, DUVAL & DUVAL, 3rd Edition, 1978, Technical and Documentation). The water-soluble metal salts are more particularly chosen from water-soluble salts of alkali metals or alkaline earth metals. As water-soluble salts of alkali metals useful according to the invention, mention may in particular be made of sodium or potassium salts. As water-soluble salts of alkaline earth metals useful according to the invention, mention may in particular be made of magnesium or calcium salts.

These salts can be, for example, carbonates, bicarbonates, sulphates, chlorides, nitrates, acetates, hydroxides, as well as salts of α-hydroxy acids or salts of fruit acids (citrate, tartrate, lactate, malate ), or salts of amino acids (aspartate, arginate, glucocholate, fumarate).

Preferably a salt according to the invention is chosen from calcium chloride and sodium chloride. Preferably, it is calcium chloride. The water-soluble metal salts in accordance with the invention may be present in a content of between 0% and 5% by weight, preferably between 0.2% and 1% by weight relative to the total weight of the composition.

Additives The composition of the invention may furthermore comprise any additive usually used in the field of perfumes, chosen in particular from antioxidants, cosmetic or dermatological active agents, for example emollients or softeners, such as sweet almond oil or kernel oils. apricot, moisturizing agents such as glycerine, soothing agents such as a-bisabolol, allantoin, aloes vera; vitamins, essential fatty acids, insect repellents, propellants, peptizers, UV filters, stabilizers or preservatives, gelling agents or thickeners, nacres, flakes and mixtures thereof. When they are present in the composition of the invention, these additives may be present in an amount ranging from 0.001 to 10% and better still from 0.01 to 5% by weight relative to the total weight of the composition. Among the antioxidants, mention may be made, for example, of BHA (tert-butyl-4-hydroxyanisole), BHT (2,6-di-tert-butyl-p-cresol), tocopherols such as vitamin E and its derivatives such as tocopheryl acetate.

Packaging A composition according to the invention may constitute a perfume composition, and in particular be in the form of spray or aerosol ("body mist", "body splash"), fresh water, toilet water, perfume water or aftershave lotion. Preferably, it constitutes a perfuming composition. A composition according to the invention may for example be packaged in a bottle.

A composition of the invention can be diffused according to various systems well known to those skilled in the art, such as sprayers with or without gas under pressure, or ball applicators. A composition according to the invention can be manufactured according to the methods known from Pickering emulsions. The compositions according to the invention can also be applied in the form of fine particles by means of pressurizing devices. The devices according to the invention are well known to those skilled in the art and include non-aerosol pumps or "atomizers", piezoelectric devices, aerosol containers comprising a propellant as well as aerosol pumps using air compressed as propellant. The latter are described in particular in US Pat. Nos. 4,077,441 and 4,850,517 (forming an integral part of the content of the description), more particularly relating to perfume compositions. The aerosol-conditioned compositions according to the invention generally contain conventional propellants such as, for example, dimethyl ether, isobutane, n-butane, propane or trichlorofluorothane. As indicated above, a Pickering emulsion composition according to the invention must be stirred before use in order to give the composition a perfect homogeneity throughout the composition. In the following description and examples, unless otherwise indicated, the percentages are by weight and the ranges of values labeled "between ... and" include the specified lower and upper bounds. The ingredients are mixed prior to shaping, in order and under conditions readily determined by those skilled in the art. The following examples are presented by way of illustration and not limitation of the scope of the invention. EXAMPLES Example 1 14% perfume composition * the perfume used comprises 40% hedione, 15% Geraniol, 22% linalyl acetate, 2% vanillin ethyl, 1% Ambrox DL, 10% Rose petrol, 5% Citral and 5% Patchoulol.

The difference in density between the two phases of the composition is 0.00635. The composition thus obtained consists of a biphasic solution containing beads suspended in a perfectly clear liquid of blue color.

The beads are distributed at the bottom of the bottle comprising the composition, their size being from 1 to 5 mm. After a moderate manual shaking of 5 seconds, the composition is easily homogenized and can be uniformly sprayed, for example using a standard pump bottle.

The result on the skin is a scented fluid deposit, fresh on application and after drying of silky effect on the skin. Once the bottle is rested, the original distribution in two-phase composition is done after 5 minutes. % by weight relative to the total weight of the composition Compounds Water 3 CaC12 0.75 Talc 0.3 Perfume * 14 D & CGreen 5 0.04 Ethanol qs 100 PEG 8 OE Isoparaffin hydrogenated 25 ETHYLHEXYL METHOXYCINNAMATE (and) ETHYLHEXYL SALICYLATE (and) BUTYL 1.5 METHOXYDIBENZOYLMIETHANE (COVABSORB olé Sensient) Liposoluble organic UV filter (butylated hydroxytoluene) BHT 0.04 After 2 months, the appearance and the organoleptic qualities of the product are unchanged, at room temperature as well as at 37 ° C. Examples 2 and 3 25% perfume compositions with or without polyalkylene glycol * the perfume used comprises 40% hedione, 15% Geraniol, 22% linalyl acetate, 2% ethyl vanillin, 1% of Ambrox DL, IO% Rose Essence, 5% Citral and 5% Patchoulol. The difference in density between the two phases of composition 2 is 0.00033. The compositions 2 and 3 thus obtained consist of a biphasic solution containing beads in suspension in a perfectly clear liquid of blue color. The beads are distributed at the bottom and top of the bottle comprising the composition, their size, heterogeneous, being from 0.5 to 10 mm.

After moderate manual shaking for 5 seconds, the compositions are easily homogenized and can be uniformly sprayed, for example using a standard pump bottle. The result on the skin is a scented fluid deposit, fresh on application and after drying of silky effect on the skin. CaC12 0.5 0.5 Talc 0.5 0.5 Fragrance * 25 25 D & C Green Green 0.04 0.04 Ethanol qs 100 qs 100 15 Hydrogenated isoparaffin 1.5 ETHYLHEXYL METHOXYCINNAMAI (and) ETHYLHEXYL SALICYLATE (and) BUTYL METHOXYDIBENZOYLMET NE (COVABSORB fi + Sensient) 0.04 BHT (Butylated Hydroxytoluene) Fat-Soluble Organic UV Filter Example 2 (Invention) Example 3 (Excluding the Invention) Water 1 1 PEG 80E 2 0 15 1.5 0.04 Compounds Once the bottle has been refitted, the original biphase distribution of the composition is made after 5 minutes. After 2 months, the appearance and organoleptic qualities of the composition 2 are unchanged, both at room temperature and at 37 ° C. On the other hand, the composition 3 containing no polyalkylene glycol has, after a few days, a phenomenon of coalescence of the beads.

Claims (11)

REVENDICATIONS1. A composition in the form of an oil-in-water emulsion comprising in a cosmetically acceptable medium: (i) a dispersed oily phase comprising at least one apolar hydrocarbon oil; (Ii) a continuous hydroalcoholic phase comprising at least one C 1 -C 4 monoalcohol; (iii) at least 1% by weight of perfuming substance (s), relative to the total weight of said composition; (iv) magnesium silicate particles and (v) at least one polyalkylene glycol. 10 2. Composition according to claim 1, characterized in that the apolar hydrocarbon oil is selected from linear or branched hydrocarbons of mineral or synthetic origin. 15 3. Composition according to any one of the preceding claims, characterized in that the apolar oil is chosen from a liquid paraffin oil, volatile or nonvolatile, hydrogenated isoparaffin, naphthalene oil, a liquid polydecene totally or partially hydrogenated, isoeicosane, a decene / butene copolymer, or a polybutene / polyisobutene copolymer and mixtures thereof. 20 4. Composition according to any one of the preceding claims, characterized in that said mono-C 1 -C 4 alcohol is selected from linear hydroxy C 1 -C 4, preferably ethanol. 25 5. Composition according to any one of the preceding claims, characterized in that it comprises at most 30% by weight, in particular from 1% to 25% by weight, in particular from 3% to 15% by weight of substance (s). ) fragrant (s), relative to the total weight of said composition. 30 6. Composition according to any one of the preceding claims, characterized in that said polyalkylene glycol has the following formula (I): FI- [O-R -], - OH (I), with - R represents a linear alkyl chain having 1 to 4 carbon atoms, and - n is an integer ranging from 4 to 200, preferably from 4 to 40. 7. Composition according to any one of the preceding claims, wherein the polyalkylene glycol (s) is (are) present in the composition in concentrations ranging from 0.1% to 3%, more preferably from 0.5% to 2%. by weight relative to the total weight of the composition. 8. Composition according to claim 6 or 7, characterized in that n is an integer ranging from 4 to 20 in said polyalkylene glycol, advantageously from 6 to 10. 9. Composition according to any one of the preceding claims, characterized in that it further comprises at least one water-soluble metal salt preferably chosen from water-soluble alkali metal salts and alkaline earth metal salts and more preferably the calcium chloride and sodium chloride, and is preferentially calcium chloride. 20 10. Composition according to any one of the preceding claims, characterized in that the absolute value of the difference in density (ad) between the dispersed oily phase and the continuous hydroalcoholic phase is at most 0.05, advantageously from plus 0.01. 11. A process for perfuming human keratin materials and / or a garment in contact with said keratin materials comprising applying to said keratin materials and / or said garment the composition as defined in claims 1 to 10. 10