Composition for treating keratinous surfaces

Abstract

An anhydrous composition for treating keratinous surfaces, particularly hair, is disclosed. The composition comprises: at least one cosmetically acceptable excipient; at least one fragrance ingredient encapsulated in a water-soluble matrix; an alcohol. The amount of alcohol in the composition is between 1 and 30% by weight, preferably between 2 and 20% by weight, more preferably between 3 and 10% by weight, relative to the total weight of the composition.

Description

[Technical field]

[0001] The present invention relates to anhydrous compositions for treating keratinous surfaces, as well as methods for treating keratinous surfaces. [Background technology]

[0002] The habit of washing hair regularly has become ubiquitous in modern society. Frequently, hair is washed using a conventional liquid or gel shampoo that is applied to the hair and then rinsed off with water. However, dry shampoos that do not require the use of water are becoming increasingly popular. The use of dry shampoo does not require rinsing with water; rather, removal of dry shampoo requires only brushing or wiping it off the scalp, thus saving time and providing convenience. Furthermore, it has been suggested that excessively frequent wet washing is associated with damage to hair, especially for people with fine hair. Thus, the use of dry shampoo may provide an alternative or complementary method to maintain the cleanliness and appearance of hair without the damaging effects of excessive water washing.

[0003] Dry shampoo typically contains perfume, which is expected to deliver a long-lasting, pleasant fragrance.However, when perfume is incorporated into such products in its original form, as so-called "free oil", it is often impossible to achieve this goal.For this reason, US 2017 / 020755 A1 proposes to encapsulate perfume in starch capsules.Although such dry shampoos provide improved olfactory benefits, there is still a need for such products with improved cleaning power. Summary of the Invention

[0004] The problem underlying the present invention is therefore to overcome the aforementioned drawbacks of the prior art. In particular, the problem underlying the present invention is to improve the treatment of keratin surfaces, and more particularly the cleaning of hair with dry shampoos. Furthermore, the styling of the hair after treatment should be improved. These problems are solved by the subject matter of the independent claims.

[0005] In a first aspect, the present invention relates to an anhydrous composition for treating keratin surfaces, especially hair. The composition comprises: - at least one cosmetically acceptable excipient; - at least one fragrance ingredient encapsulated in a water-soluble matrix; - alcohol.

[0006] The amount of alcohol in the composition is from 1 to 30% by weight, preferably from 2 to 20% by weight, more preferably from 3 to 10% by weight, based on the total weight of the composition. In the context of this specification, "at least one perfume ingredient is encapsulated in a water-soluble matrix" is synonymous with at least one perfume ingredient being encapsulated in a water-soluble matrix material, the matrix material being at least to some extent alcohol-stable.

[0007] The alcohol in the composition helps treat the keratin surface. When used in dry shampoo, alcohol improves the cleaning of hair from dirt, oil and / or sebum, as it acts as a carrier for the absorbent materials contained in the dry shampoo. Alcohol also adds volume to hair and aids in styling. Besides, it evaporates as soon as it touches the roots of the hair, absorbing body heat. This imparts a cooling effect that relieves an itchy, dirty scalp.

[0008] The present invention is based on the surprising discovery that a water-soluble matrix encapsulating at least one perfume ingredient is stable in anhydrous compositions despite the presence of alcohol in the amounts provided herein above.

[0009] Perfume ingredients are volatile and often subject to degradation in consumer product bases or when exposed to the ambient atmosphere. Encapsulating the perfume ingredients in a water-soluble matrix can protect them from these influences, which allows the precise composition of the perfume developed by the formulator and / or perfumer to be maintained. The perfume ingredients can be released from the matrix by a dual mode of activation: under moisture (e.g., atmospheric moisture or sweat) and / or mechanical activation (e.g., friction).

[0010] The alcohol may be selected from the group consisting of ethanol, isopropanol, ethylene glycol, propylene glycol and glycerol, preferably ethanol and isopropanol, more preferably ethanol.

[0011] The water-soluble matrix may comprise at least one material selected from the group consisting of starch, especially water-soluble modified starch, maltodextrin, mannitol, chitosan, gum arabic, alginate, cellulose, pectin, gelatin, polyvinyl alcohol, and mixtures thereof. The resulting flavor formulations are easy to manufacture, for example by spray drying, and cost-effective. They are compatible with standard propellants and resistant to compression for compositions formed as aerosols. Furthermore, they are prepared with natural-based materials, are non-toxic, and are biodegradable. Thus, such forms have increased consumer appeal.

[0012] When the starch is a water-soluble modified starch, such starch can be made from raw starch or pre-gelatinized starch, which can be derived from tubers, legumes, cereals and grains, such as maize starch, wheat starch, rice starch, waxy maize starch, oat starch, cassava starch, waxy barley starch, waxy rice starch, amioca starch, potato starch, tapioca starch and mixtures thereof.

[0013] The water-soluble modified starch may be selected from bleached starch, hydroxypropyl starch, hydroxypropylated phosphate crosslinked starch, hydroxypropylated glycerol crosslinked starch, acetylated phosphate crosslinked starch, starch acetate esterified with acetic anhydride, starch acetate esterified with vinyl acetate, acetylated adipate crosslinked starch, acetylated glycerol crosslinked starch, sodium starch octenyl succinate and mixtures thereof.

[0014] Water-soluble modified starches have emulsifying and emulsion stabilizing abilities. They have the ability to encapsulate perfume droplets in the form of oil-in-water emulsion due to the hydrophobic nature of starch processing agents. Modified starches as described herein above provide many advantages, such as high emulsifying and encapsulating ability, low viscosity even at high solid content, and excellent oxidation resistance, ensuring good perfume preservation and stabilization of sensitive ingredients.

[0015] When the water-soluble matrix comprises a water-soluble modified starch, it may additionally comprise a material selected from the group consisting of maltodextrin, mannitol and mixtures thereof. Both maltodextrin and mannitol increase the glass transition temperature of the matrix. Furthermore, maltodextrin is a film former.

[0016] Maltodextrins are characterized by their dextrin equivalent (DE). The higher the DE, the lower the molecular weight of the maltodextrin. In the context of the present invention, maltodextrins with different DE may be combined to provide optimized encapsulation properties. Without wishing to be bound by theory, it is believed that a mixture of low DE and high DE maltodextrins improves the packing of the water-soluble matrix.

[0017] In addition to the materials defined herein above, the water-soluble matrix may additionally comprise hemicellulose. In the context of the present invention, the expression "hemicellulose" is to be understood as a polysaccharide selected from the group consisting of glucans, especially xyloglucans, mannans, especially glucomannans, and xylans, especially arabinoxylans and glucuronoxylans.

[0018] It has been found that the addition of hemicellulose to a water-soluble matrix, especially a starch matrix, leads to a modification of the matrix, improving its perfume release properties under moisture and mechanical (eg friction) activation.

[0019] The hemicellulose is preferably a xyloglucan, in particular a xyloglucan obtainable from tamarind seeds. Xyloglucan is the most abundant hemicellulose in the primary walls of non-graminous plants, often accounting for 20% by weight of the wall dry mass. Xyloglucan has a backbone composed of 1,4-linked β-D-glucose residues. Up to 75% of the backbone residues are substituted with C6s bearing mono-, di- or trisaccharide side chains. Preferably, the hemicellulose is a xyloglucan obtainable from tamarind seeds, in particular from tamarind seeds, also known as "tamarind kernel powder" or "tamarind gum". In tamarind gum, the side chains consist of one or two α-D-xylopyranosyl units, optionally capped with β-D-galactopyranosyl, α-L-arabinofuranosyl or β-D-xylopyranosyl. In a preferred embodiment of the invention, the water-soluble matrix is ​​in particulate form.

[0020] When the water-soluble matrix is ​​in particulate form, it may have a flow density of 300-600 g / l, preferably 325-500 g / l, more preferably 350-450 g / l. Due to their low flow density (loose bulk density), such particles do not deposit or deposit very little. They are therefore compatible with the propellant gas and resistant to compression, so that they can be incorporated into aerosol devices without damage.

[0021] The measurement of fluidized powder density is carried out at room temperature (25°C) and normal atmospheric conditions (1013.25 hPa) using a 100 ml graduated cylinder. The graduated cylinder is weighed empty and then filled with 100 ml of fluidized powder without tapping. The mass difference between the empty graduated cylinder and the graduated cylinder filled with 100 ml of powder gives the fluidized density.

[0022] The particles may have a number average diameter of 1 to 30 μm, preferably 2 to 20 μm, more preferably 3 to 10 μm, and a volume average diameter of 5 to 150 μm, preferably 10 to 100 μm, more preferably 20 to 50 μm. The particle size distribution can be determined by dry dispersion laser diffraction methods.

[0023] In the present context, the expression "anhydrous composition" is to be understood as a composition having a water content of less than 5% by weight relative to the total weight of the composition. In a preferred embodiment, the water content is less than 2% by weight, more preferably less than 1% by weight, even more preferably less than 0.5% by weight, even more preferably less than 0.1% by weight, relative to the total weight of the composition.

[0024] The at least one cosmetically acceptable excipient can be selected from the group consisting of preservatives, antioxidants, chelating agents, sunscreens, vitamins, dyes, hair colorants, proteins, amino acids, botanical extracts, humectants, oils, emollients, lubricants, butters, penetrating agents, thickeners, viscosity modifiers, polymers, resins, hair fixatives, film formers, surfactants, detergents, emulsifiers, opacifying agents, volatilizing agents, liquid vehicles, carriers, salts, pH adjusters, neutralizing agents, buffers, hair conditioning agents, antistatic agents, anti-hair frizz agents, anti-dandruff agents, hair wave agents, hair straighteners, relaxers, absorbents, deodorants, antiperspirants, anti-caking agents, and combinations thereof.

[0025] In a preferred embodiment of the present invention, especially in a dry shampoo, at least one cosmetically acceptable excipient is an absorbent, preferably in combination with further cosmetically acceptable excipients, such as anti-caking agents and / or preservatives and / or carriers, etc. The absorbent has the function of absorbing dirt, oil and / or sebum from the hair.

[0026] The absorbent is preferably selected from starches, especially maize starch, wheat starch, rice starch, oat starch, cassava starch, amioca starch, tapioca starch and potato starch; clays, especially smectite clays (such as hectorite) and kaolin; Oryza sativa (rice) husk powder; and mixtures thereof. The absorbent may also be selected from starch derivatives, such as dimethylimidazolidinone rice starch, octenyl succinate maize starch and aluminum octenyl succinate starch.

[0027] The anti-caking agent may be selected from the group consisting of calcium carbonate, calcium phosphate, magnesium phosphate, silicon dioxide, magnesium oxide, calcium oxide, magnesium hydroxide, calcium hydroxide, calcium silicate, calcium citrate, monocalcium orthophosphate monohydrate, aluminum dimyristate, aluminum isostearate / myristate, aluminum myristate, aluminum myristate / palmitate, calcium myristate, magnesium myristate and zinc myristate.

[0028] The preservative may be selected from the group consisting of potassium sorbate, sodium sulfite, sodium benzoate and benzoic acid. In a preferred embodiment of the invention, the carrier is isopropyl myristate.

[0029] In another preferred embodiment of the invention, especially in antiperspirants and / or deodorants, the at least one cosmetically acceptable excipient is an antiperspirant and / or a deodorant active agent.

[0030] The term "antiperspirant" means a compound which, by itself, has the effect of reducing the flow of sweat and / or of reducing the sensation of moisture on the skin associated with human sweat and / or of absorbing, partially or totally, human sweat. Among the antiperspirant actives which may be mentioned are aluminium and / or zirconium salts, such as aluminium chlorohydrate, ... Aluminum chlorohydrex, aluminum chlorohydrex PEG, aluminum chlorohydrex PG, aluminum dichlorohydrate, aluminum dichlorohydrex PEG, aluminum dichlorohydrex PG, aluminum sesquichlorohydrate, aluminum sesquichlorohydrex PEG, aluminum sesquichlorohydrex PG, aluminum sulfate, aluminum zirconium octachlorohydrate, aluminum zirconium pentachlorohydrate, aluminum zirconium tetrachlorohydrate, and aluminum zirconium trichlorohydrate.

[0031] The term "antiodor agent" refers to any substance capable of masking, absorbing, ameliorating, and / or reducing the unpleasant odor resulting from bacterial deterioration of human sweat. Deodorant substances are bacteriostatic or bactericidal agents acting on odor microorganisms, such as 2,4,4'-trichloro-2'-hydroxydiphenyl ether, 2,4-dichloro-2'-hydroxydiphenyl ether, 3',4',5'-trichlorosalicylanilide, 1-(3',4'-dichlorophenyl)-3-(4'-chlorophenyl)urea or 3,7,11-trimethyldodeca-2,5,10-trienol; quaternary ammonium salts, such as cetyltrimethylammonium salts, cetylpyridinium salts; polyols, such as glycerol type polyols, 1,3-propanediol, 1,2-decanediol, glycerol derivatives, such as caprylic / capric glyceride, glyceryl caprylate or glyceryl caprate, polyglyceryl-2 caprate, biguanide derivatives, such as polyhexamethylene biguanide salts; chlorhexidine and its salts; 4-phenyl-4,4-dimethyl-2-butanol; cyclodextrin; chelating agents, such as tetrasodium glutamic acid diacetate, EDTA (ethylenediaminetetraacetic acid) and DPTA (1,3-diaminopropanetetraacetic acid), and the like.

[0032] Also included are zinc salts such as zinc salicylate, zinc phenolsulfonate, zinc pyrrolidonecarboxylate (more commonly known as zinc pyridophosphate), zinc sulfate, zinc chloride, zinc lactate, zinc gluconate, zinc ricinoleate, zinc glycinate, zinc carbonate, zinc citrate, zinc chloride, zinc laurate, zinc oleate, zinc orthophosphate, zinc stearate, zinc tartrate, zinc acetate, or mixtures thereof; odor absorbents such as zeolites, especially silver-free metal zeolites, cyclodextrins, metal oxide silicates; transition metal modified metal oxide particles; aluminosilicates; chitosan-based particles; sodium bicarbonate, salicylic acid and its derivatives (such as 5-n-octanoylsalicylic acid); alum; and triethyl citrate.

[0033] The emollient may be selected from the group consisting of butyl stearate, isocetyl stearate, isopropyl myristate, isopropyl palmitate and isopropyl stearate.

[0034] The composition may further comprise a propellant, which may be selected from the group consisting of dimethyl ether, volatile hydrocarbons such as propane, n-butane, isobutane, n-pentane and isopentane, chlorinated and / or fluorinated hydrocarbons, and mixtures thereof.

[0035] Preferred propellants are: - A-40: mixture of hydrocarbons; - A-46: mixture of hydrocarbons; - HFC-152A: 1,1-difluoroethane; - HFC-134A: 1,1,1,2-tetrafluoroethane; - DME: Dimethyl ether.

[0036] When the propellant is selected from volatile hydrocarbons, it is preferably selected from propane, n-butane, isobutane, n-pentane, isopentane, and mixtures thereof. Carbon dioxide, nitrous oxide, nitrogen or compressed air may also be used as the propellant gas. The amount of propellant used in the composition according to the invention may be from 40 to 95% by weight, preferably from 50 to 90% by weight, more preferably from 60 to 85% by weight, relative to the total weight of the composition.

[0037] The at least one perfume ingredient may belong to different classes of organic compounds, such as alcohols, ketones, esters, ethers, acetates, terpene hydrocarbons, nitrogen- or sulfur-containing heterocyclic compounds, essential oils, etc., which may be of natural or synthetic origin. Many of these perfume ingredients are described in references such as S. Arctander, Perfume and Flavor Chemicals, 1994, Montclair, New Jersey, USA. Preferably, at least one perfume ingredient has a boiling point of less than or equal to 275° C., determined at normal standard pressure of 1013.25 hPa, and an odor detection threshold of less than or equal to 50 ppb.

[0038] In a particular embodiment of the invention, the at least one perfume ingredient is selected from the group consisting of ACETOPHENONE EXTRA (1-phenylethanone); ADOXAL ((2,6,10-trimethylundec-9-enal)); AGRUMEX (2-(tert-butyl)cyclohexyl acetate); ALCOHOL C 6 HEXYLIC (Hexan-1-ol); ALDEHYDE C 10 DECYLIC (Decanal); ALDEHYDE C 11 MOA (2-Methyldecanal); ALDEHYDE C 11 UNDECYLENIC (Undec-10-enal); ALDEHYDE C 110 UNDECYLIC (Undecanal); ALDEHYDE C 12 LAURIC (Dodecanal); ALDEHYDE C 12 MNA PURE (2-Methylundecanal); ALDEHYDE C 6 HEXYLIC FOOD GRADE (Hexan-1-al); ALDEHYDE C 8 OCTYLIC FOOD GRADE (OCTANAL); ALDEHYDE C 9 ISONONYLIC (3,5,5-TRIMETHYLHEXANAL); ALDEHYDE C 9 NONYLIC FOOD GRADE (NONANAL); ALDEHYDE ISO C 11 ((E)-UNDECA-9-ENAL); ALLYL AMYL GLYCOLATE (PROP-2-ENYL 2-(3-METHYLBUTOXY)ACETATE); ALLYL CAPROATE (PROP-2-ENYL HEXANOATE); ALLYL CYCLOHEXYL PROPIONATE (PROP-2-ENYL 3-CYCLOHEXYLPROPANOATE); ALLYL OENANTHATE (PROP-2-ENYL HEPTANOATE);

[0039] AMBERKETAL (3,8,8,11a-TETRAMETHYLDODECAHYDRO-1H-3,5a-EPOXYNAPHTHO[2,1-C]OXEPINE); AMBRETTOLIDE ((Z)-OXACYCLOHEPTADECA-10-EN-2-ONE); AMBROFIX ((3aR,5aS,9aS,9bR)-3a,6,6,9a-TETRAMETHYL-2,4,5,5a,7,8,9,9b-OCTAHYDRO-1H-BENZO[E][1]BENZOFURAN); AMYL BUTYRATE (PENTYL BUTANOATE); AMYL CINNAMIC ALDEHYDE ((Z)-2-BENZYLIDENEHEPTANAL); AMYL SALICYLATE (PENTYL 2-HYDROXYBENZOATE); ANETHOLE ((E)-1-METHOXY-4-(PROP-1-EN-1-YL)BENZENE); ANISYL ACETATE (4-METHOXYBENZYL ACETATE); APHERMATE (1-(3,3-DIMETHYLCYCLOHEXYL)ETHYL FORMATE); AUBEPINE PARA CRESOL (4-METHOXYBENZALDEHYDE); AURANTIOL ((E)-METHYL 2-((7-HYDROXY-3,7-DIMETHYLOCTYLIDENE)AMINO)BENZOATE); BENZALDEHYDE; BENZYL ACETATE; BENZYL ACETONE (4-PHENYLBUTAN-2-ONE); BENZYL ALCOHOL (PHENYLMethanol); BENZYL BENZOATE; BENZYL CINNAMATE (BENZYL 3-PHENYLPROP-2-ENOATE); BENZYL SALICYLATE (BENZYL 2-HYDROXYBENZOATE);

[0040] BICYCLO NONALACTONE (OCTAHYDRO-2H-CHROMEN-2-ONE); BORNEOL CRYSTALS ((1S,2S,4S)-1,7,7-TRIMETHYLBICYCLO[2.2.1]HEPTANE-2-OL); BORNYL ACETATE ((2S,4S)-1,7,7-TRIMETHYLBICYCLO[2.2.1]HEPTANE-2-YL ACETATE); BOURGEONAL (3-(4-(TERT-BUTYL)PHENYL)PROPANAL); BUTYL ACETATE (BUTYL ACETATE); BUTYL CYCLOHEXYL ACETATE PARA (4-(TERT-BUTYL)CYCLOHEXYL ACETATE); CAMPHOR ((1S,4S)-1,7,7-TRIMETHYLBICYCLO[2.2.1]HEPTANE-2-ONE); CARVONE LAEVO ((5R)-2-Methyl-5-prop-1-en-2-ylcyclohex-2-en-1-one); CEDRYL METHYL ETHER ((1R,6S,8aS)-6-Methoxy-1,4,4,6-tetramethyloctahydro-1H-5,8a-methanoazulene); CETONE V ((E)-1-(2,6,6-trimethylcyclohex-2-en-1-yl)hepta-1,6-dien-3-one);

[0041] CINNAMIC ALCOHOL SYNTHETIC ((E)-3-PHENYLPROP-2-EN-1-OL); CINNAMIC ALDEHYDE ((2E)-3-PHENYLPROP-2-ENAL); CINNAMYL ACETATE ((E)-3-PHENYLPROP-2-EN-1-YL ACETATE); CIS-3-HEXENOL ((Z)-HEX-3-EN-1-OL); CIS JASMONE ((Z)-3-METHYL-2-(PENT-2-EN-1-YL)CYCLOPENT-2-ENONE); CITRAL ((E)-3,7-DIMETHYLOCTA-2,6-DIENAL); CITRONELLAL (3,7-DIMETHYLOCTA-6-ENAL); CITRONELLOL (3,7-DIMETHYLOCTA-6-EN-1-OL); CITRONELLYL ACETATE (3,7-Dimethyloct-6-en-1-yl acetate); CITRONELLYL FORMATE; CITRONELLYL NITRILE; CLONAL (DODECANE NITRILE); CORANOL (4-CYCLOHEXYL-2-METHYLBUTANE-2-OL); CORYLONE DRIED (2-HYDROXY-3-METHYLCYCLOPENT-2-ENONE); COSMONE ((Z)-3-METHYLCYCLOTETRADECA-5-ENONE); COUMARIN PURE CRYSTALS (2H-CHROMEN-2-ONE);

[0042] CRESYL METHYL ETHER PARA (1-METHOXY-4-METHYLBENZENE); CUMIN NITRILE (4-ISOPROPYLBENZONITRILE); CYCLAMEN ALDEHYDE EXTRA (3-(4-ISOPROPYLPHENYL)-2-METHYLPROPANAL); DAMASCENONE ((E)-1-(2,6,6-TRIMETHYLCYCLOHEXA-1,3-DIEN-1-YL)BUTA-2-EN-1-ONE); DAMASCONE ALPHA ((E)-1-(2,6,6-TRIMETHYLCYCLOHEXA-2-EN-1-YL)BUTA-2-EN-1-ONE); DECALACTONE GAMMA (5-HEXYLOXOLAN-2-ONE); DECENAL-4-TRANS ((E)-DECA-4-ENAL); DIHYDRO ANETHOLE (1-METHOXY-4-PROPYLBENZENE); DIHYDRO MYRCENOL (2,6-dimethyloct-7-en-2-ol); DIMETHYL BENZYL CARBINYL ACETATE; DIMETHYL BENZYL CARBINYL BUTYRATE; DIMETOL (2,6-DIMETHYLHEPTANE-2-OL); DIPHENYL OXIDE; DODECENAL ((E)-DODECA-2-ENAL); EBANOL ((E)-3-METHYL-5-(2,2,3-TRIMETHYLCYCLOPENT-3-EN-1-YL)PENT-4-EN-2-OL);

[0043] ESTERLY (ETHYL CYCLOHEXYL CARBOXYLATE); ETHYL ACETATE; ETHYL ACETOACETATE; ETHYL CINNAMATE (ETHYL 3-PHENYLPROP-2-ENOATE); ETHYL HEXANOATE; ETHYL LINALOOL ((E)-3,7-DIMETHYLNONA-1,6-DIEN-3-OL); ETHYL MALTOL (2-ETHYL-3-HYDROXY-4H-PYRAN-4-ONE); ETHYL METHYL-2-BUTYRATE (ETHYL 2-METHYLBUTANOATE); ETHYL OENANTHATE (ETHYL HEPTANOATE); ETHYL VANILLIN (3-Ethoxy-4-hydroxybenzaldehyde); ETHYLENE BRASSYLATE (1,4-DIOXACYCLOHEPTADECANE-5,17-DIONE); EUCALYPTOL NATURAL ((1s,4s)-1,3,3-trimethyl-2-oxabicyclo[2.2.2]octane); EUGENOL (4-allyl-2-methoxyphenol); EVERNYL (methyl 2,4-dihydroxy-3,6-dimethylbenzoate); FENCHYL ALCOHOL ((1S,2R,4R)-1,3,3-trimethylbicyclo[2.2.1]heptan-2-ol);

[0044] FENNALDEHYDE (3-(4-METHOXYPHENYL)-2-METHYLPROPANAL); FLORHYDRAL (3-(3-ISOPROPYLPHENYL)BUTANAL); FLOROSA HC (TETRAHYDRO-4-METHYL-2-(2-METHYLPROPYL)-2H-PYRAN-4-OL); FRESKOMENTHE (2-(SEC-BUTYL)CYCLOHEXANONE); FRUTONILE (2-METHYLDECANONITRILE); GALBANONE PURE (1-(5,5-DIMETHYLCYCLOHEX-1-EN-1-YL)PENT-4-EN-1-ONE); GERANIOL ((E)-3,7-DIMETHYLOCTA-2,6-DIEN-1-OL); GERANYL ACETATE ((E)-3,7-DIMETHYLOCTA-2,6-DIEN-1-YL ACETATE); GERANYL ACETONE ((E)-6,10-Dimethylundec-5,9-dien-2-one); HABANOLIDE ((E)-Oxacyclohexadec-12-en-2-one); HEDIONE (Methyl 3-oxo-2-pentylcyclopentaneacetate); HELIOTROPINE CRYSTALS (Benzo[d][1,3]dioxole-5-carbaldehyde);

[0045] HEXENAL-2-TRANS ((E)-HEX-2-ENAL); HEXENOL-3-CIS ((Z)-HEX-3-EN-1-OL); HEXENYL-3-CIS ACETATE ((Z)-HEX-3-EN-1-YL ACETATE); HEXENYL-3-CIS ISOBUTYRATE ((Z)-HEX-3-EN-1-YL 2-METHYLPROPANOATE); HEXENYL-3-CIS SALICYLATE ((Z)-HEX-3-EN-1-YL 2-HYDROXYBENZOATE); HEXYL ACETATE; HEXYL CINNAMIC ALDEHYDE ((E)-2-BENZYLIDENEOCTANAL); HEXYL ISOBUTYRATE (HEXYL 2-METHYLPROPANOATE); HEXYL SALICYLATE (HEXYL 2-HYDROXYBENZOATE); HYDROXYCITRONELLAL (7-hydroxy-3,7-dimethyloctanal); INDOLE PURE (1H-indole); IONONE BETA ((E)-4-(2,6,6-trimethylcyclohex-1-en-1-yl)but-3-en-2-one); IRISONE ALPHA ((E)-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one);

[0046] ISOAMYL ACETATE EXTRA (3-METHYLBUTYL ACETATE); ISOEUGENOL ((E)-2-METHOXY-4-(PROP-1-EN-1-YL)PHENOL); ISOMENTHONE DL (2-ISOPROPYL-5-METHYLCYCLOHEXANONE); ISOPROPYL METHYL-2-BUTYRATE (ISOPROPYL 2-METHYLBUTANOATE); ISORALDEINE ((E)-3-METHYL-4-(2,6,6-TRIMETHYLCYCLOHEX-2-EN-1-YL)BUTA-3-EN-2-ONE); JASMONE CIS ((Z)-3-METHYL-2-(PENT-2-EN-1-YL)CYCLOPENT-2-ENONE); JASMONYL (3-BUTYL-5-METHYLTETRAHYDRO-2H-PYRAN-4-YL ACETATE); JASMOPYRANE FORTE (3-PENTYLTETRAHYDRO-2H-PYRAN-4-YL ACETATE); LIFFAROME ((Z)-hex-3-en-1-yl methyl carbonate); LILIAL (3-(4-(tert-butyl)phenyl)-2-methylpropanal);

[0047] LIMONENE, LIMONENE, or LAEVO, LIMONENE DEXTRO (1-methyl-4-prop-1-en-2-yl-cyclohexene); LINALOOL OXIDE (2-(5-methyl-5-vinyltetrahydrofuran-2-yl)propan-2-ol); LINALOOL (3,7-dimethylocta-1,6-dien-3-ol); LINALYL ACETATE (3,7-dimethylocta-1,6-dien-3-yl acetate); MAHONIAL ((4E)-9-hydroxy-5,9-dimethyl-4-decenal); MALTOL (3-hydroxy-2-methyl-4H-pyran-4-one); MANZANATE (ethyl 2-methylpentanoate); MAYOL ((4-isopropylcyclohexyl)methanol); MEFROSOL (3-methyl-5-phenylpentan-1-ol); MELONAL (2,6-Dimethylhept-5-enal); MENTHOL, MENTHOL LAEVO, or MENTHOL RACEMIC (2-Isopropyl-5-methylcyclohexanol); MENTHONE, ISOMENTHONE, MENTHONE LAEVO, or MENTHONE RACEMIC (2-Isopropyl-5-methylcyclohexanone);

[0048] METHYL ANTHRANILATE EXTRA (METHYL 2-AMINOBENZOATE); METHYL BENZOATE (METHYL BENZOATE); METHYL CINNAMATE (METHYL 3-PHENYLPROP-2-ENOATE); METHYL DIANTILIS (2-ETHOXY-4-(METHOXYMETHYL)PHENOL); METHYL DIHYDRO ISOJASMONATE (METHYL 2-HEXYL-3-OXOCYCLOPENTANE-1-CARBOXYLATE); METHYL HEPTENONE (6-METHYLHEPTA-5-EN-2-ONE); METHYL LAITONE (8-METHYL-1-OXASPIRO[4.5]DECAN-2-ONE); METHYL OCTYNE CARBONATE (METHYL NONA-2-YNOATE); METHYL SALICYLATE (METHYL 2-HYDROXYBENZOATE); MUSCENONE ((Z)-3-METHYLCYCLOPENTADECA-5-ENONE); MYRALDENE (4-(4-methylpent-3-en-1-yl)cyclohex-3-enecarbaldehyde); MYRCENE (7-methyl-3-methyleneocta-1,6-diene); MYSTIKAL (2-methylundecanoic acid);

[0049] NECTARYL (2-(2-(4-METHYLCYCLOHEX-3-EN-1-YL)PROPYL)CYCLOPENTANONE); NEOFOLIONE ((E)-METHYL NONA-2-ENOATE); NEROLEX ((2Z)-3,7-DIMETHYLOCTA-2,6-DIEN-1-OL); NEROLIDOL ((E)-3,7,11-TRIMETHYLDODECA-1,6,10-TRIEN-3-OL); NEROLINE CRYSTALS (2-Ethoxynaphthalene); NERYL ACETATE HC ((Z)-3,7-DIMETHYLOCTA-2,6-DIEN-1-YL ACETATE); NIRVANOLIDE ((E)-13-METHYLOXACYCLOPENTADECA-10-EN-2-ONE); NONADIENAL ((2E,6Z)-NONA-2,6-DIENAL); NONADIENOL-2,6 ((2Z,6E)-2,6-Nonadien-1-ol); NONALACTONE GAMMA (5-PENTYLOXOLAN-2-ONE); NONENAL-6-CIS ((Z)-Nona-6-enal); NONENOL-6-CIS ((Z)-Nona-6-en-1-ol); NOPYL ACETATE (2-(6,6-Dimethylbicyclo[3.1.1]hept-2-en-2-yl)ethyl acetate); NYMPHEAL (3-(4-(2-Methylpropyl)-2-methylphenyl)propanal); OCTANONE-2 (Octan-2-one);

[0050] ORANGER CRYSTALS (1-(2-NAPHTHALENYL)-ETHANONE); PANDANOL ((2-METHOXYETHYL)BENZENE); PEACH PURE (5-HEPTYLDIHYDROFURAN-2(3H)-ONE); PELARGOL (3,7-DIMETHYLOCTANE-1-OL); PHARAONE (2-CYCLOHEXYLHEPTA-1,6-DIEN-3-ONE); PHENOXY ETHYL ISOBUTYRATE (2-(PHENOXY)ETHYL 2-METHYLPROPANOATE); PHENYL ACETALDEHYDE (2-PHENYL-ETHANAL); PHENYL ETHYL ACETATE (2-PHENYLETHYL ACETATE); PHENYL ETHYL ALCOHOL (2-PHENYLETHYL ETHANOL); PHENYL ETHYL ISOBUTYRATE (2-PHENYLETHYL 2-METHYLPROPANOATE); PHENYL ETHYL PHENYL ACETATE (2-Phenylethyl 2-phenylacetate); PHENYL PROPYL ALCOHOL (3-Phenylpropan-1-ol); PINENE BETA (6,6-Dimethyl-2-methylenebicyclo[3.1.1]heptane); PINOACETALDEHYDE (3-(6,6-Dimethylbicyclo[3.1.1]hept-2-en-2-yl)propanal); POMAROSE ((2E,5E)-5,6,7-Trimethylocta-2,5-dien-4-one); PRECYCLEMONE B (1-Methyl-4-(4-methylpent-3-en-1-yl)cyclohex-3-enecarbaldehyde);

[0051] PRENYL ACETATE (3-METHYLBUTA-2-EN-1-YL ACETATE); RASPBERRY KETONE (4-(4-HYDROXYPHENYL)BUTA-2-ONE); ROSE OXIDE (4-METHYL-2-(2-METHYLPROP-1-EN-1-YL)TETRAHYDRO-2H-PYRAN); ROSYRANE SUPER (4-METHYL-2-PHENYL-3,6-DIHYDRO-2H-PYRAN); SANDALORE EXTRA (3-METHYL-5-(2,2,3-TRIMETHYLCYCLOPENT-3-EN-1-YL)PENTAN-2-OL); SCENTAURUS CLEAN (ETHYL(Z)-2-ACETYL-4-METHYLTRIDECA-2-ENOATE); SCENTAURUS JUICY (4-(DODECYLTHIO)-4-METHYLPENTAN-2-ONE); SILVANONE SUPRA (CYCLOPENTADECANONE, HEXADECANOLIDE); STYRALLYL ACETATE (1-Phenylethyl acetate); SUPER MUGUET ((E)-6-ethyl-3-methyloct-6-en-1-ol); SYLKOLIDE ((E)-2-((3,5-dimethylhex-3-en-2-yl)oxy)-2-methylpropyl cyclopropanecarboxylate);

[0052] TERPINENE GAMMA (1-METHYL-4-PROPAN-2-YLCYCLOHEXA-1,4-DIENE); TERPINEOL ALPHA (2-(4-METHYL-1-CYCLOHEX-3-ENYL)PROPAN-2-OL); TERPINEOL PURE (2-(4-METHYLCYCLOHEX-3-ENYL)PROPAN-2-OL); TERPINOLENE (1-METHYL-4-(PROPAN-2-YLIDENE)CYCLOHEX-1-ENE); TERPINYL ACETATE (2-(4-METHYLCYCLOHEX-3-ENYL)PROPAN-2-YL ACETATE); TETRAHYDRO LINALOOL (3,7-DIMETHYLOCTANE-3-OL); THIBETOLIDE (OXACYCLOHEXADECANE-2-ONE); THYMOL (2-ISOPROPYL-5-METHYLPHENOL); TOSCANOL (1-(cyclopropylmethyl)-4-methoxybenzene); TRIDECENE-2-NITRILE ((E)-tridec-2-enenitrile); TRIFERNAL (3-phenylbutanal); TROPIONAL (3-(benzo[d][1,3]dioxol-5-yl)-2-methylpropanal); METHYL NONYL KETONE (undecan-2-one); UNDECATRIENE ((3E,5Z)-undeca-1,3,5-triene); UNDECAVERTOL ((E)-4-methyldec-3-en-5-ol); VANILLIN (4-hydroxy-3-methoxybenzaldehyde); VELVIONE ((Z)-cyclohexadec-5-enone); VIOLET NITRILE ((2E,6Z)-nona-2,6-dienenitrile); and YARA YARA (2-methoxynaphthalene).

[0053] All the above-mentioned components have been confirmed to be suitable for inclusion in a water-soluble matrix, in particular with regard to their physical and chemical properties such as lipophilicity, molecular size and reactivity towards the matrix material. Furthermore, these components meet high ecological criteria, in particular with regard to biodegradation.

[0054] In a preferred embodiment, the amount of encapsulated perfume formulation, i.e. the amount of water-soluble matrix and at least one perfume ingredient enclosed in the matrix material, is between 0.01 and 5.0% by weight, preferably between 0.05 and 2.0% by weight, more preferably between 0.1 and 1.0% by weight, relative to the total weight of the composition.

[0055] In addition to the at least one perfume ingredient encapsulated in the water-soluble matrix, the composition according to the invention may also contain free perfume oil. The amount of free perfume oil in the composition according to the invention may be from 0.01 to 2.0% by weight, preferably from 0.02 to 1.0% by weight, more preferably from 0.05 to 0.5% by weight, relative to the total weight of the composition.

[0056] In addition to the above mentioned perfume ingredients, the composition according to the invention may also contain a malodour control agent. The malodour control agent may be selected from the following classes: - Fragrance compositions designed to counteract bad odors; - reactive fragrance ingredients (such as α-β-unsaturated carbonyl compounds, e.g. dialkyl fumarates or damascones); - other chemical systems (alkylene carbonates, zinc ricinoleate, zinc polyitaconate, zinc oxide, cysteine ​​or imines, etc.); - Adsorbents (such as zeolites, activated carbon, aluminum oxide or silica gel); - Host-guest compounds (e.g. cyclodextrins).

[0057] In a further preferred embodiment of the present invention, the amount of the at least one cosmetically acceptable excipient in the composition is from 0.1 to 99.9% by weight, preferably from 0.5 to 80% by weight, more preferably from 1 to 40% by weight, even more preferably from 2 to 30% by weight, and even more preferably from 5 to 25% by weight, based on the total weight of the composition.

[0058] The second aspect of the present invention refers to a consumer product comprising the composition as described herein above.In the present context, the term "consumer product" refers to any manufactured product that is intended to be used or consumed in the form in which it is sold, and is not intended to be subsequently manufactured or modified.

[0059] Without being limited thereto, the consumer product according to the invention may be a cosmetic product and also includes cosmetic formulations for the care and / or hygiene and / or make-up of the skin, lips, nails, eyelashes, eyebrows, hair or scalp; dermatological products; fragrance products; pharmaceutical products; products for veterinary use, in particular products for the hygiene and / or care of animals.

[0060] In a preferred embodiment of the present invention, the consumer product is selected from the group consisting of dry shampoos, hair styling products, deodorants and antiperspirants. The consumer product may be in the form of a spray, particularly an aerosol spray. The consumer product may be selected from the group consisting of a dry shampoo spray (particularly for humans or pets, e.g., dry shampoo spray for dogs or cats), a hair spray, a styling spray, a deodorant spray, an antiperspirant spray, and a cat litter refreshing spray.

[0061] When the consumer product is in the form of an aerosol spray, the amount of at least one cosmetically acceptable excipient in the composition may be from 1 to 40% by weight, preferably from 2 to 30% by weight, more preferably from 5 to 25% by weight, relative to the total weight of the composition.

[0062] A third aspect of the present invention relates to a method for treating keratinous surfaces, especially hair, preferably scalp hair, comprising the step of applying to the keratinous surface a composition as described herein above, especially in a consumer product as described herein above.Preferably, the method does not include a rinsing step.

[0063] Further advantages and specific features of the present invention will become apparent from the following description of some examples. Example 1: Encapsulation of fragrance in a water-soluble matrix The perfume oils can be encapsulated in a water-soluble matrix as follows: Tap water (50.0 g) is weighed into a stainless steel beaker. Subsequently, starch sodium octenyl succinate E1450 (20.0 g), modified starch Hi-Cap 100 (3.0 g) and maltodextrin Glucidex IT-19 (6.0 g) are weighed into the same beaker. The resulting mixture is first manually stirred with a stainless steel rod and then homogenized at 13,500 rpm using an IKA T25 Ultra-Turrax Homogenizer to obtain a uniform solution. Perfume oil (20.0 g) is added to this resulting mixture. Then, high shear mixing is performed using the same homogenizer at 22,000-24,000 rpm for 20-30 min to generate an emulsion. The droplet size is controlled between 0.5-2 μm by dynamic light scattering.

[0064] The emulsion is spray dried using a LabPlant SD-06 spray dryer. The parameters for the spray drying process are as follows: - Inlet temperature: 190℃ - Outlet temperature: 90℃ - Peristaltic pump speed: 485 mL / h - Air flow rate 3.7 m / s

[0065] The resulting spray-dried powder typically has a flow density of 400 g / l. The number-average diameter of the particles (weighted mean [number]) is 5 μm and the volume-average diameter (D[4;3][volume]) is 40 μm. The powder is mixed with silicon dioxide Aerosil 200 (1.0 g) in a closed mixing vessel.

[0066] Example 2: Encapsulation of fragrance in a water-soluble matrix Alternatively, the perfume oil can be encapsulated in a water-soluble matrix as follows: Tap water (55.0 g) is weighed into a stainless steel beaker. Subsequently, starch sodium octenyl succinate E1450 (18.7 g), modified starch Hi-Cap 100 (2.2 g), maltodextrin Glucidex IT-19 (5.3 g) and tamarind kernel powder (0.5 g) are weighed into the same beaker. The resulting mixture is first manually stirred with a stainless steel rod and then homogenized at 13,500 rpm using an IKA T25 Ultra-Turrax Homogenizer to obtain a uniform solution. To this resulting mixture, perfume oil (17.8 g) is added. After that, high shear mixing is performed using the same homogenizer at 22,000-24,000 rpm for 20-30 min to generate an emulsion. The droplet size is controlled between 0.5-2 μm by dynamic light scattering.

[0067] The emulsion is spray dried in a LabPlant SD-06 spray dryer. The spray drying process parameters are as follows: - Inlet temperature 190℃ - Outlet temperature: 90℃ - Peristaltic pump speed: 485 mL / h - Air flow rate 3.7 m / s The resulting spray-dried powder typically has a flow density of 400 g / l. The particle number-average diameter (weighted mean [number]) is 5 μm and the volume-average diameter (D[4;3][volume]) is 40 μm. The powder is mixed with silicon dioxide Aerosil 200 (0.5 g) in a closed mixing vessel.

[0068] Example 3: Encapsulation of fragrance in a water-soluble matrix As a further alternative, the perfume oil can be encapsulated in a water soluble matrix as follows: Tap water (45.0 g) is weighed into a stainless steel beaker. Sodium starch octenyl succinate E1450 (21.9 g), mannitol 60 (5.5 g) and tamarind kernel powder (0.5 g) are then weighed into the same beaker. The resulting mixture is first manually stirred with a stainless steel rod and then homogenized at 13,500 rpm using an IKA T25 Ultra-Turrax Homogenizer to obtain a uniform solution. Perfume oil (27.3 g) is added to the resulting mixture. After that, high shear mixing is performed using the same homogenizer at 22,000-24,000 rpm for 20-30 min to generate an emulsion. The droplet size is controlled to 0.5-2 μm by dynamic light scattering.

[0069] The emulsion is spray dried in a LabPlant SD-06 spray dryer. The parameters for the spray drying process are as follows: - Inlet temperature 190℃ - Outlet temperature: 90℃ - Peristaltic pump speed: 485 mL / h - Air flow rate 3.7 m / s The resulting spray-dried powder typically has a flow density of 400 g / l. The number-average particle diameter (weighted arithmetic mean [number]) is 5 μm and the volume-average diameter (D[4;3][volume]) is 40 μm. The powder is mixed with silicon dioxide Aerosil 200 (0.5 g) in a closed mixing vessel.

[0070] Example 4: Preparation of a dry shampoo according to the present invention An aerosol spray containing a dry shampoo according to the present invention was prepared as follows: A blank commercial aerosol can suitable for dry shampoo applications was placed on a tared balance. All ingredients of the dry shampoo composition, except for the propellant, were added to the aerosol can as specified in Tables 1-3 below. After each addition, the can was mixed by swirling slightly in a circular motion to ensure homogeneity. After all ingredients were added, a mounting cup / valve was placed on top of the can and tightly crimped according to the valve specifications using the appropriate equipment. The can was then filled with the propellant in a safe and secure location designed for aerosolizing the can. The filled can was placed in a water bath to ensure proper crimping and no leaks. After this quality check, the actuator valve was attached to the mounting cup. The aerosol can was stored at room temperature for two weeks before testing.

[0071] [Table 1]

[0072] [Table 2]

[0073] [Table 3]

[0074] Example 5: Olfactory evaluation of dry shampoo Olfactory evaluation was performed on blotters (7.6 cm x 12.7 cm). The dry shampoo cans were prepared by shaking well prior to testing to ensure proper dispensing. The cans were held approximately 15 cm away from the blotters when spraying them. The cans were weighed before and after spraying each blotter paper to ensure uniformity. The average dispensed amount was 1.3 g. Blotter papers were sprayed with each aerosol sample, weighed to ensure uniformity, and then placed on the benchtop to dry. The average loading was 0.2 g. Blotters were aged for 8 or 24 hours, respectively.

[0075] Five untrained panelists were asked to smell the blotter paper before activation and rate it on a scale of 0 to 10, with 0 being the weakest odor and 10 being the strongest odor. Panelists were then asked to activate the technique by holding the blotter in both hands, folding the blotter in half, and rubbing the folded side of the blotter back and forth five times, again rating the odor from 0 to 10 (0 being the weakest odor and 10 being the strongest odor).

[0076] The results are summarized in Table 4. [Table 4]

[0077] [Table 5]

[0078] As is evident from Tables 4 and 5, the dry shampoos containing free perfume oil (Comparative Examples 4a-4c) do not show increased olfactory intensity upon friction activation after 8 and 24 hours of aging. In contrast, the products according to the invention with perfume oil encapsulated in a water-soluble matrix (Examples 4e, 4f, 4h and 4i) show good post-activation intensity after 8 and 24 hours of aging. A comparison between Examples 4d-4f and 4g-4i, respectively, shows that this good friction activation is achieved even at high ethanol contents of 20% by weight relative to the total weight of the composition. This shows that the encapsulation of perfume oil in these compositions is surprisingly stable and resistant to leakage, even at such high ethanol concentrations. Furthermore, the perfume formulations according to Example 3 (Examples 4g-4i) tend to perform better than the perfume formulations according to Example 1 (Examples 4d-4f).

Claims

1. 1. An anhydrous composition for treating keratin surfaces, especially hair, comprising: - at least one cosmetically acceptable excipient; - at least one fragrance ingredient encapsulated in a water-soluble matrix; - alcohol, wherein the amount of alcohol in the composition is from 1 to 30% by weight, preferably from 2 to 20% by weight, more preferably from 3 to 10% by weight, relative to the total weight of the composition; The composition.

2. 2. The composition according to claim 1, wherein the alcohol is selected from the group consisting of ethanol, isopropanol, ethylene glycol, propylene glycol and glycerol, preferably ethanol and isopropanol, more preferably ethanol.

3. 2. The composition of claim 1, wherein the water-soluble matrix comprises at least one material selected from the group consisting of starch, in particular water-soluble modified starch, maltodextrin, mannitol, chitosan, gum arabic, alginate, cellulose, pectin, gelatin, polyvinyl alcohol and mixtures thereof.

4. 4. The composition of claim 3, wherein the water-soluble modified starch is selected from bleached starch, hydroxypropyl starch, hydroxypropylated phosphate crosslinked starch, hydroxypropyl glycerol crosslinked starch, acetylated phosphate crosslinked starch, starch acetate esterified with acetic anhydride, starch acetate esterified with vinyl acetate, acetylated adipate crosslinked starch, acetylated glycerol crosslinked starch, sodium starch octenyl succinate, and mixtures thereof.

5. 5. The composition of claim 4, wherein the water-soluble matrix additionally comprises a compound selected from the group consisting of maltodextrin, mannitol and mixtures thereof.

6. 5. The composition according to claim 4, wherein the water-soluble matrix additionally comprises hemicellulose, in particular xyloglucan, preferably xyloglucan obtained from tamarind seeds.

7. The composition of claim 1 , wherein the water-soluble matrix is ​​in particulate form.

8. The composition according to claim 7, wherein the water-soluble matrix has a flow density of 300 to 600 g / l, preferably 325 to 500 g / l, more preferably 350 to 450 g / l.

9. 2. The composition of claim 1, wherein the composition comprises less than 5% by weight, preferably less than 2% by weight, more preferably less than 1% by weight, even more preferably less than 0.5% by weight, and even more preferably less than 0.1% by weight, based on the total weight of the composition.

10. 10. The composition of claim 1, wherein the at least one cosmetically acceptable excipient is selected from the group consisting of preservatives, antioxidants, chelating agents, sunscreens, vitamins, dyes, hair colorants, proteins, amino acids, botanical extracts, humectants, oils, emollients, lubricants, butters, penetrating agents, thickeners, viscosity modifiers, polymers, resins, hair fixatives, film formers, surfactants, detergents, emulsifiers, opacifying agents, volatilizing agents, liquid vehicles, carriers, salts, pH adjusters, neutralizing agents, buffers, hair conditioning agents, antistatic agents, anti-hair frizz agents, anti-dandruff agents, hair wave agents, hair straighteners, relaxers, absorbents, deodorants, antiperspirants, anti-caking agents, and combinations thereof.

11. The composition of claim 1 , wherein the composition further comprises a propellant.

12. A consumer product comprising a composition according to any one of claims 1 to 11.

13. 13. The consumer product according to claim 12, wherein the consumer product is in the form of a spray, in particular an aerosol spray.

14. 14. The consumer product of claim 13, wherein the consumer product is selected from the group consisting of a dry shampoo spray, a hair spray, a styling spray, a deodorant spray, an antiperspirant spray, and a cat litter refreshing spray.

15. 12. A method for treating keratinous surfaces, in particular hair, preferably scalp hair, comprising the step of applying to the keratinous surface a composition according to any one of claims 1 to 11.

16. 16. The method of claim 15, which does not include a rinsing step.