FR3090346A1 - Aerosol device containing a cosmetic composition comprising a surfactant of the sarcosinate type, a fatty alcohol and a compressed gas - Google Patents

Abstract

The invention relates to an aerosol device containing a cosmetic composition comprising a sarcosinate surfactant, at least one fatty alcohol and at least one compressed gas. The invention also relates to a method for the cosmetic treatment of keratin fibres, in particular human keratin fibers such as the hair, comprising a step of applying to said keratin fibers said cosmetic composition sprayed from said aerosol device. The invention further relates to the use of said cosmetic composition sprayed from said aerosol device for shaping and conditioning keratin fibers, in particular human keratin fibers such as the hair.

Description

Description

Title of the invention: Aerosol device containing a cosmetic composition comprising a surfactant of the sarcosinate type, a fatty alcohol and a compressed gas

The invention relates to an aerosol device containing a cosmetic composition comprising a surfactant of the sarcosinate type, a fatty alcohol, and a compressed gas as a propellant

The invention also relates to a method for the cosmetic treatment of keratin fibers, in particular human keratin fibers such as the hair, comprising a step of application to said keratin fibers of said cosmetic composition sprayed from said aerosol device.

The invention further relates to the use of said cosmetic composition sprayed from said aerosol device for the shaping and / or conditioning of keratin fibers, in particular human keratin fibers such as the hair.

Styling products are usually used to build, structure the hairstyle and provide it with hold. They are usually in the form of lotions, gels, mousses, creams or sprays. These compositions generally comprise one or more film-forming polymers or “fixing polymers”. These polymers allow the formation of a sheathing film on the hair, thus ensuring the maintenance of the hairstyle.

There are also products to aid styling or maintaining the hairstyle that do not include a fixing polymer.

These compositions can be in the form of gels, sprays or hair mousse which are generally applied to wet hair which is shaped before brushing or drying.

Styling foams dispensed from aerosol devices present on the market are generally very airy and expanded with a light texture. The foam thus obtained is not sufficiently firm, lack of smoothness, which makes it difficult to apply. These foams also have a rather unpleasant matt appearance for consumers.

However, the latter are looking for styling products, in particular in the form of foam, which are easily applicable and pleasant to use, while providing good sensory and styling properties to keratin fibers.

[0009] Thus, there is a real need to make available a composition for conditioning and shaping keratin materials, in particular human kéatin materials such as the hair, not having the drawbacks mentioned above, that is to say a composition having good foaming properties and good formulation properties, in particular in terms of appearance and feel, while being easily applicable and providing good styling properties, in particular in terms of discipline , relaxation, definition of the loop, and anti-frizz effect.

It has been surprisingly discovered that an aerosol device containing a cosmetic composition comprising the combination of one or more anionic surfactants of the sarcosinate type and one or more fatty alcohols, with one or more propellants, makes it possible to '' achieve the objectives set out above.

Indeed, the distribution of this composition using an aerosol device makes it possible to form a foam having a creamy and consistent texture with a shiny appearance.

In addition, this foam turns into a more or less thick cream during application, going up to a consistency of milk for the most fluid. The cream thus obtained is easily applied to keratin fibers.

The cosmetic composition of the invention also gives satisfactory styling properties, in particular in terms of discipline, relaxation, definition of the curl, and anti-frizz effect.

The present invention therefore relates to an aerosol device containing a cosmetic composition comprising:

- one or more anionic surfactant (s) of the sarcosinate type,

- one or more fatty alcohol (s), and

- one or more propellant (s) chosen from compressed gases.

The invention also relates to a process for the cosmetic treatment of keratin fibers, in particular human keratin fibers such as the hair, comprising a step of application to said keratin fibers of a cosmetic composition sprayed from an aerosol device as defined above.

The invention also relates to the use of a cosmetic composition sprayed from an aerosol device as defined above, for the shaping and / or conditioning of keratin fibers, in particular keratin fibers human such as hair.

Other objects, characteristics, aspects and advantages of the invention will appear even more clearly on reading the description and examples which follow.

In what follows, and unless otherwise indicated, the limits of a range of values are included in this area, in particular in the expressions "between" and "ranging from ... to .. . "

The expression "at least one" used in the present description is equivalent to the expression "one or more".

The composition according to the invention may include water. Preferably the composition is aqueous. The water content preferably ranges from 10 to 99% by weight, preferably from 30 to 98% by weight, better from 50 to 97% by weight, better still from 80 to 96% by weight relative to the total weight of the composition. .

Anionic surfactants of the sarcosinate type

The cosmetic composition contained in the aerosol device according to the present invention comprises one or more anionic surfactant (s) of the sarcosinate type.

Preferably, the anionic surfactant (s) of the sarcosinate type are chosen from (C ₆ -C ₃ o) alkyl sarcosinates of formula (I) below: RC (O) -N (CH ₃ ) -CH ₂ -C (O) -OX with

- X denoting a hydrogen atom, an ammonium ion, an ion derived from an alkali or alkaline earth metal or an ion derived from an organic amine, preferably a hydrogen atom, and

- R denoting a linear or branched alkyl group, from 6 to 30 carbon atoms.

R preferably denotes a linear or branched alkyl group of 8 to 24 carbon atoms, preferably of 12 to 20 carbon atoms.

Among the alkyls (C ₆ -C ₃ o) sarcosinates of formula (I) which can be used in the present composition, mention may be made of palmitoylsarcosinates, stearoylsarcosinates, myristoylsarcosinates, lauroylsarcosinates, and cocoylsarcosinates, in acid or salified form .

The anionic surfactants of the sarcosinate type are advantageously chosen from sodium lauroylsarcosinate, stearoyl sarcosine, myristoyl sarcosine, and their mixtures, preferably from stearoyl sarcosine, myristoyl sarcosine, and their mixtures.

Preferably, the total content of the anionic surfactant (sarcosinate type) ranges from 0.05 to 10% by weight, more preferably from 0.1 to 5% by weight, more preferably still from 0.2 to 3% by weight, relative to the total weight of the composition.

Fatty alcohols

The cosmetic composition contained in the aerosol device according to the invention also comprises one or more fatty alcohol (s).

By "fatty alcohol" means a long chain aliphatic alcohol comprising from 6 to 40 carbon atoms, and comprising at least one hydroxyl group OH. The fatty alcohols according to the invention are preferably not oxyalkylenated, and not glycerolated.

The fatty alcohols according to the invention can be saturated or unsaturated, linear or branched, and preferably contain from 8 to 40 carbon atoms.

More preferably, the fatty alcohols according to the invention are chosen from compounds of structure R-OH with R denoting a saturated or unsaturated, linear or branched alkyl group, optionally substituted by one or more hydroxy groups, comprising from 8 to 40, better from 10 to 30, or even from 12 to 24 atoms, even better from 14 to 22 carbon atoms.

The fatty alcohols can be chosen from solid fatty alcohols, liquid fatty alcohols, and their mixtures.

By "solid fatty alcohol" is meant in the sense of the present invention a fatty alcohol having a melting point greater than 25 ° C, preferably greater than or equal to 28 ° C, more preferably greater than or equal to 30 ° C at atmospheric pressure (1.013.10 ⁵ Pa).

Solid fatty alcohols can be chosen from saturated or unsaturated, linear or branched solid fatty alcohols, comprising from 8 to 40 carbon atoms

The solid fatty alcohols capable of being used according to the invention are preferably chosen from compounds of structure R-OH with R denoting a linear saturated alkyl group, optionally substituted by one or more hydroxy groups, comprising from 8 to 40, better from 10 to 30, or even from 12 to 24 atoms, even better from 14 to 22 carbon atoms.

The solid fatty alcohols that can be used can be chosen from, alone or as a mixture:

- lauric or lauryl alcohol (or 1-dodecanol);

- myristic or myristylic alcohol (or 1-tetradecanol);

- cetyl alcohol (or 1-hexadecanol);

- stearyl alcohol (or 1-octadecanol);

- arachidyl alcohol (or 1-eicosanol);

- behenyl alcohol (or 1-docosanol);

- lignoceryl alcohol (or 1-tetracosanol);

- ceramic alcohol (or 1-hexacosanol);

- montanyl alcohol (or 1-octacosanol);

- myricylic alcohol (or 1-triacontanol).

Preferably, the fatty alcohol or alcohols are chosen from cetyl alcohol, stearyl alcohol, behenyl alcohol, myristic alcohol and their mixtures, such as cetylstearyl alcohol or cetearyl alcohol.

For the purposes of the present invention, “liquid fatty alcohol” means a fatty alcohol having a melting point less than or equal to 25 ° C, preferably less than or equal to 20 ° C at atmospheric pressure (1.013.10 ⁵ Pa ).

Liquid fatty alcohols, which can be used according to the invention are preferably chosen from compounds of structure R-OH with R denoting a saturated or unsaturated, linear or branched alkyl group, preferably unsaturated and / or branched , optionally substituted by one or more hydroxy groups, comprising from 8 to 40, better still from 10 to 30, or even from 12 to 24 atoms, even better still from 14 to 22 carbon atoms.

The liquid fatty alcohols that can be used can be chosen from, alone or as a mixture, oleic alcohol, linoleic alcohol, linolenic alcohol, isocetyl alcohol, isostearyl alcohol, 2- octyl-l-dodecanol, 2-butyl-octanol, 2-hexyl-l-decanol, 2-decyl-l-tetradecanol, 2-tetradecyl-l-ketanol and their mixtures.

The fatty alcohol or alcohols according to the invention are advantageously chosen from solid fatty alcohols and their mixtures, preferably from saturated solid linear fatty alcohols containing from 8 to 40 carbon atoms, and their mixtures.

Preferably, the fatty alcohol or alcohols are chosen from cetyl alcohol, stearyl alcohol, behenyl alcohol, myristic alcohol and their mixtures.

Advantageously, the content of the fatty alcohol (s) ranges from 0.05 to 10% by weight, preferably from 0.1 to 8% by weight, more preferably from 1 to 5% by weight, relative to the total weight of the composition.

Advantageously, the weight ratio between the total content of the fatty alcohol (s) and the total content of the anionic surfactant (s) of sarcosinate type ranges from 1.5 to 10, preferably from 2 to 8, more preferably from 3 to 7, even more preferably from 4 to 6.

Propellants

The cosmetic composition contained in the aerosol device according to the invention further comprises one or more propellant (s) chosen from compressed gases.

The propellant or agents usable in the aerosol device of the present invention are advantageously chosen from air, nitrogen, carbon dioxide (or carbon dioxide), and their mixtures, preferably carbon dioxide.

The composition may optionally comprise one or more propellants different from the compressed gases, in particular chosen from those chosen from liquefied gases and their mixtures, more preferably from dimethyl ether, chlorinated and / or fluorinated hydrocarbons, such as trichlorofluoromethane , dichlorodifluoromethane, chlorodifluoromethane, 1,1,1,2-tetrafluoroethane, chloropentafluoroethane, 1-chloro-1,1-difluoroethane, 1,1-difluoroethane, tetrafluoropropene; volatile hydrocarbons, optionally halogenated, such as in particular C ₃ to C ₅ alkanes, such as propane, isopropane, n-butane, isobutane, pentane, and their mixtures, more preferably from C alkanes ₃ to C ₅ and their mixtures, and better still among propane, isopropane, n-butane, isobutane, and their mixtures.

Advantageously, the total content of the propellant (s) ranges from 0.5 to 10% by weight, preferably from 1 to 5% by weight, more preferably from 1.5 to 4% by weight, relative to the weight total of the composition.

Advantageously, the total content of the compressed gas or gases ranges from 0.5 to 10% by weight, preferably from 1 to 5% by weight, more preferably from 1.5 to 4% by weight, relative to the weight total composition

In a preferred variant of the invention, the carbon dioxide content ranges from 0.5 to 10% by weight, preferably from 1 to 5% by weight, more preferably from 1.5 to 4% by weight, relative to the total weight of the composition.

Fats other than fatty alcohols

The cosmetic composition contained in the aerosol device according to the present invention may optionally further comprise one or more fatty substances, preferably one or more liquid fatty substances, different from the fatty alcohols of the invention.

Liquid fatty substances are generally soluble in organic solvents under the same temperature and pressure conditions, such as, for example, chloroform, ethanol, benzene, petrolatum oil or decamethylcyclopentasiloxane.

For the purposes of the present invention, the term “liquid fatty substance” means a fatty substance having a melting point less than or equal to 25 ° C, preferably less than or equal to 20 ° C at atmospheric pressure (1,013.10 ⁵ Pa).

They preferably have a viscosity less than or equal to 2 Pa.s, better less than or equal to 1 Pa.s and even better less than or equal to 0.1 Pa.s at the temperature of 25 ° C and at a shear rate of 1 s ¹ .

The liquid fatty substances which can be used in the composition according to the invention are generally not oxyalkylenated and preferably do not contain a COOH carboxylic acid function.

Advantageously, the liquid fatty substances according to the invention can be chosen from hydrocarbons, fatty esters preferably comprising from 8 to 40 carbon atoms, fatty ethers preferably comprising from 8 to 40 carbon atoms, silicones and their mixtures.

By liquid hydrocarbon means a hydrocarbon composed only of carbon and hydrogen atoms, liquid at temperature 25 ° C and at atmospheric pressure (1.013.10 ⁵ Pa), of mineral or vegetable or synthetic origin.

More particularly, the liquid hydrocarbons are chosen from:

- alkanes, C ₆ -C ₆ linear or branched, optionally cyclic. As examples, mention may be made of hexane, undecane, dodecane, tridecane and isoparaffins such as isohexadecane, isododecane and isodecane, and their mixtures.

- linear or branched hydrocarbons, of animal or synthetic mineral origin, of more than 16 carbon atoms, such as paraffin or petroleum jelly oils, petroleum jelly oil, polydecenes, hydrogenated polyisobutene such as that sold under the Parléam® brand by NOF Corporation, squalane.

[0056] In a preferred variant, the liquid hydrocarbons are chosen from alkanes, C ₆ -C ₆ linear or branched, optionally cyclic.

By liquid fatty ester is meant an ester derived from a fatty acid and / or a fatty alcohol, liquid at 25 ° C and at atmospheric pressure (1.013.10 ⁵ Pa), and different from the monoesters of fatty acid and (poly) glycerol.

Liquid fatty esters are preferably liquid esters of saturated or unsaturated, linear or branched, linear or branched aliphatic mono- or polyacids, in Ci-C ₂ 6 and of linear or branched, saturated or unsaturated, aliphatic mono- or polyalcohols -C ₂₆ , the total number of carbon atoms in the liquid esters being greater than or equal to 10.

Preferably, for fatty esters of monoalcohols, at least one of the alcohol or of the acid from which the esters of the invention are derived is branched.

Among the monoesters of monoacids and monoalcohols, mention may be made of ethyl and isopropyl palmitates, alkyl myristates such as isopropyl or ethyl myristate, isoketyl stearate, laurate ethyl, 2-ethylhexyl isononanoate, isononyl isononanoate, ethyl octanoate, ethyl caprate, isodecyl neopentanoate, and isostearyl neopentanoate.

It is also possible to use the esters of C ₄ -C ₂₂ di- or tricarboxylic acids and of C _r C ₂₂ alcohols and the esters of mono-, di- or tricarboxylic acids and non-alcohols di-, tri-, tetra- or pentahydroxylated C ₄ -C ₂₆ sugars.

Mention may in particular be made of diethyl sebacate, diisopropyl sebacate, di (2-ethylhexyl) sebacate, diisopropyl adipate, di n-propyl adipate, dioctyl adipate, di (2-ethylhexyl) adipate, diisostearyl adipate, di (2-ethylhexyl) maleate, triisopropyl citrate, triisoketyl citrate, trisostearyl citrate, glyceryl trilactate, glyceryl trioctanoate, trioctyldodecyl citrate, trioleyl citrate, neopentyl glycol diheptanoate, and diethylene glycol diisononate.

The composition may also comprise, as liquid fatty ester, esters and di-esters of sugars and C ₆ -C ₃₀ fatty acids, preferably Ci ₂ -C ₂₂ . It is recalled that the term “sugar” is understood to mean oxygenated hydrocarbon compounds which have several alcohol functions, with or without aldehyde or ketone function, and which contain at least 4 carbon atoms. These sugars can be monosaccharides, oligosaccharides or polysaccharides.

As suitable sugars, mention may be made, for example, of sucrose, glucose, galactose, ribose, fucose, maltose, fructose, mannose, arabinose, xylose, lactose, and their derivatives in particular. alkylated, such as methylated derivatives such as methylglucose.

The sugar and fatty acid esters can be chosen in particular from the group comprising the esters or mixtures of sugar esters described above and of C ₆ -C ₃ o fatty acids, preferably of Ci ₂ - C ₂ 2, linear or branched, saturated or unsaturated. If unsaturated, these compounds can comprise one to three carbonecarbon double bonds, conjugated or not.

The esters according to this variant can also be chosen from mono-, di-, tri- and tetraesters, polyesters and their mixtures.

These esters can be, for example oleates, laurates, palmitates, myristates, behenates, cocoates, stearates, linoleates, linolenates, caprates, arachidonates, and their mixtures such as in particular the mixed oleo-palmitate, oleo-stearate, palmitostearate esters.

More particularly, mono- and diesters are used and in particular the mono- or dioleates, stearates, behenates, oleopalmitates, linoleates, linolenates, oleostearates, of sucrose, glucose or methylglucose.

By way of example, mention may be made of the product sold under the name Glucate® DO by the company AMERCHOL, which is a methylglucose dioleate.

Finally, one can also use natural or synthetic esters of di- or triacids with glycerol.

Among these, mention may be made of vegetable oils or oils of vegetable origin.

As oils of vegetable origin or synthetic triglycerides, which can be used in the composition of the invention as liquid fatty esters, mention may, for example, be made of triglyceride oils of vegetable or synthetic origin, such as liquid triglycerides d fatty acids comprising from 6 to 30 carbon atoms such as the triglycerides of heptanoic or octanoic acids or also, for example, sunflower, corn, soybean, squash, grapeseed, sesame, hazelnut, d , apricot, macadamia, macaw, sunflower, castor, avocado, olive, rapeseed, copra, wheat germ, sweet almond, apricot, safflower, walnut bancoulier, camélina, tamanu, babassu and pracaxi, the triglycerides of caprylic / capric acids such as those sold by the company STEARINERIES DUBOIS or those sold under the names Miglyol® 810, 812 and 818 by the company DYNAMIT NOBEL, the jojoba oil, shea butter oil.

Preferably, as esters according to the invention, liquid fatty esters derived from monoalcohols, in particular myristate or isopropyl palmitate, or natural or synthetic esters of di- or triacids with glycerol will be used. , especially vegetable oils.

Liquid fatty ethers can be chosen from liquid dialkyl ethers such as dicaprylylether.

The oil or oils which can be used in the composition according to the invention can also be chosen from silicones.

Preferably, the liquid silicone (s) are chosen from polydialkylsiloxanes, in particular polydimethylsiloxanes (PDMS), and organomodified polysiloxanes comprising at least one functional group chosen from amino groups, aryl groups and alkoxy groups.

Organopolysiloxanes are defined in more detail in the work of Walter NOLL "Chemistry and Technology of Silicones" (1968), Academie Press. They can be volatile or non-volatile.

Liquid non-volatile silicones which can be used in the composition according to the invention may preferably be liquid non-volatile polydialkylsiloxanes, polyorganosiloxanes modified by organofunctional groups chosen from amino groups, aryl groups and alkoxy groups as well as their mixtures .

These silicones are more particularly chosen from polydialkylsiloxanes among which mention may mainly be made of polydimethylsiloxanes with trimethylsilyl end groups. The viscosity of the silicones is measured at 25 ° C. according to standard ASTM 445 Appendix C.

Among these polydialkylsiloxanes, non-limiting examples that may be mentioned include the following commercial products:

- SILBIONE® oils of series 47 and 70,047 or MIRASIL® oils marketed by RHODIA;

- oils from the MIRASIL® series sold by the company RHODIA;

- oils of the 200 series from the company DOW CORNING;

- VISCASIL® oils from GENERAL ELECTRIC and certain oils from the SF series (SF 96, SF 18) from GENERAL ELECTRIC.

Mention may also be made of polydimethylsiloxanes with dimethylsilanol end groups known under the name of dimethiconol (CTFA), such as oils of the 48 series from the company RHODIA.

Organomodified silicones which can be used in accordance with the invention are silicones as defined above and comprising in their structure one or more organofunctional groups attached via a hydrocarbon group.

Organomodified silicones can be polydiaryl siloxanes, in particular polydiphenylsiloxanes, and polyalkyl-arylsiloxanes functionalized with the organofunctional groups mentioned above.

The polyalkylarylsiloxanes are particularly chosen from polydimethyl / methylphenylsiloxanes, linear and / or branched polydimethyl / diphenylsiloxanes

[0085]

[0086]

Viscosity ranging from 1.10 ⁵ to 5.10 ² m ² / s at 25 ° C.

Among these polyalkylarylsiloxanes, mention may be made, by way of example, of the products sold under the following names:

- SILBIONE® oils of the 70 641 series from RHODIA;

- the oils of the RHODORSIL® 70 633 and 763 series from RHODIA;

- DOW CORNING 556 COSMETIC GRAD FLUID oil from DOW CORNING;

- the silicones of the PK series from Bayer, such as the product PK20;

- the silicones of the PN and PH series from BAYER such as the PN1000 and PH1000 products

- certain oils from the GENERAL ELECTRIC SF series such as SF 1023, SF 1154, SF 1250, SF 1265.

Among the organomodified silicones, mention may also be made of polyorganosiloxanes comprising:

- Amino groups substituted or not, such as the products marketed under the name GP 4 Silicone Fluid and GP 7100 by the company GENESEE. The substituted amino groups are in particular C ₁ -C ₄ aminoalkyl groups;

- alkoxylated groups, such as the product sold under the name "SILICONE COPOLYMER F-755" by SWS SILICONES and ABIL WAX® 2428, 2434 and 2440 by the company GOLDSCHMIDT.

The volatile silicones are more particularly chosen from those having a boiling point of between 60 ° C. and 260 ° C., and more particularly still from • cyclic silicones comprising from 3 to 7 silicon atoms and preferably 4 to 6.

These are, for example, octamethylcyclotetrasiloxane marketed in particular under the name of VOLATILE SILICONE 7207 by the company UNION CARBIDE or SILBIONE 70045 V 2 by the company RHODIA, decamethylcyclopentasiloxane marketed under the name of VOLATILE SILICONE 7158 by the company UNION CARBIDE, SILBIONE 70045 V 5 by the company RHODIA, as well as their mixtures.

Mention may also be made of cyclocopolymers of the dimethylsiloxane / methylalkylsiloxane type, such as the SILICONE VOLATILE FZ 3109 sold by the company UNION CARBIDE, with a chemical structure:

[0088]

Mention may also be made of mixtures of cyclic silicones with or11 compounds

[0089]

[0090]

[0091]

[0092]

Ganics derived from silicon, such as the mixture of octamethylcyclotetrasiloxane and tetratrimethylsilylpentaerythritol (50/50) and the mixture of octamethylcyclotetrasiloxane and oxy-l, r (hexa-2,2,2 ', 2', 3,3'-trimethylsilyloxy) bis-neopentane.

• linear volatile silicones having 2 to 9 silicon atoms and having a viscosity less than or equal to 5.10 ⁶ m ² / s at 25 ° C. These are, for example, hexamethyldisiloxane, octamethyltrisioloxane and decamethyltetrasiloxane sold in particular under the name SH 200 by the company TORAY SILICONE. Silicones included in this class are also described in the article published in Cosmetics and toiletries, Vol. 91, Jan. 76, P. 27-32 - TODD & BYERS Volatile Silicone fluids for cosmetics. Preferably, the linear volatile silicones contain from 2 to 7 silicon atoms, better still from 3 to 6 silicon atoms.

Preferably, the volatile silicones are chosen from cyclic silicones containing from 4 to 6 silicon atoms and linear silicones containing 4 to 6 silicon atoms.

The silicones can also be chosen from amino silicones.

The term “amino silicone” denotes any silicone comprising at least one primary, secondary, tertiary amine or a quaternary ammonium group.

The weight average molecular weights of these amino silicones can be measured by gel permeation chromatography (GPC) at room temperature (25 ° C) in polystyrene equivalent. The columns used are μ styragel columns. The eluent is THF, the flow rate is 1 ml / min. 200 μΐ of a 0.5% by weight silicone solution in THF are injected. Detection is done by refractometry and UVmetry.

Preferably, the amino silicone (s) capable of being used in the context of the invention are chosen from:

a) the polysiloxanes corresponding to formula (A):

(AT)

[0094]

In which x 'and y' are whole numbers such that the weight-average molecular weight (Mw) is between approximately 5,000 and 500,000;

b) amino silicones corresponding to formula (B):

R ' _a G _3a -Si (OSiG ₂ ) _n - (OSiG _b R' _2b ) _m -O-SiG _3a -R ' _a (B)

In which:

- G, identical or different, denotes a hydrogen atom, a phenyl, OH, C _r C ₈ alkyl, for example methyl, or C _r C ₈ alkoxy, for example methoxy, - a, identical or different, denotes 0 or an integer from 1 to 3, in particular 0, - b denotes 0 or 1, in particular 1,

- m and n are numbers such that the sum (n + m) varies from 1 to 2000, in particular from 50 to 150, n being able to designate a number from 0 to 1999, and in particular from 49 to 149 and m being able to designate a number from 1 to 2000, and in particular from 1 to 10;

- R ', identical or different, denotes a monovalent radical of formula -CqH2qL in which q is a number ranging from 2 to 8, and L is an optionally quaternized amine group chosen from the groups:

- N (R) ₂ ; -N ⁺ (R) 3 A-; -NR-QN (R) 2 and-NR-QN ⁺ (R) 3 A-, in which R, identical or different, denotes hydrogen, phenyl, benzyl, or a monovalent saturated hydrocarbon radical, for example a C 1 -C alkyl radical C ₂₀ ; Q denotes a group of formula C _r H _2r , linear or branched, r being an integer ranging from 2 to 6, preferably from 2 to 4; and A- represents a cosmetically acceptable anion, in particular halide such as fluoride, chloride, bromide or iodide.

Preferably, the amino silicones are chosen from the amino silicones of formula (B). Preferably, the amino silicones of formula (B) are chosen from amino silicones corresponding to the following formulas (C), (D), (E), (F), and / or (G).

According to a first embodiment, the amino silicones corresponding to formula (B) are chosen from the silicones called trimethylsilylamodimethicone corresponding to formula (C):

[0097]

In which m and n are numbers such that the sum (n + m) varies from 1 to 2000, in particular from 50 to 150, n being able to designate a number from 0 to 1999, and in particular from 49 to 149 and m can designate a number from 1 to 2000, and in particular from 1 to 10.

According to a second embodiment, the amino silicones corresponding to formula (B) are chosen from the silicones of formula (D) below:

In which:

- m and n are numbers such that the sum (n + m) varies from 1 to 1000, in particular from 50 to 250 and more particularly from 100 to 200; n being able to designate a number from 0 to 999 and in particular from 49 to 249 and more particularly from 125 to 175 and m being able to designate a number from 1 to 1000, in particular from 1 to 10, more particularly from 1 to 5;

- RI, R2, R3, identical or different, represent a hydroxy or C1-C4 alkoxy radical, at least one of the radicals RI to R3 denoting an alkoxy radical.

Preferably the alkoxy radical is a methoxy radical.

The hydroxy / alkoxy molar ratio preferably ranges from 0.2: 1 to 0.4: 1 and preferably from 0.25: 1 to 0.35: 1 and more particularly is equal to 0.3: 1.

The weight average molecular mass (Mw) of these silicones preferably ranges from 2000 to 1,000,000, more particularly from 3,500 to 200,000.

According to a third embodiment, the amino silicones corresponding to formula (B) are chosen from the following silicones of formula (E):

CH.

In which:

- p and q are numbers such that the sum (p + q) varies from 1 to 1000, in particular from 50 to 350, and more particularly from 150 to 250; p being able to designate a number from 0 to 999 and in particular from 49 to 349 and more particularly from 159 to 239 and q being able to designate a number from 1 to 1000, especially from 1 to 10 and more particularly from 1 to 5;

- Ri, R ₂ , different, represent a hydroxy or C ₁ -C ₄ alkoxy radical, at least one of the radicals R 1 or R ₂ denoting an alkoxy radical. Preferably the alkoxy radical is a methoxy radical. The hydroxy / alkoxy molar ratio generally ranges from 1: 0.8 to 1: 1.1 and preferably from 1: 0.9 to 1: 1 and more particularly is equal to 1: 0.95.

The weight average molecular mass (Mw) of the silicone preferably ranges from 2000 to 200,000 and even more particularly from 5,000 to 100,000 and more particularly from 10,000 to 50,000.

Commercial products comprising silicones of structure (D) or (E) may include in their composition one or more other amino silicones whose structure is different from formulas (D) or (E).

A product containing amino silicones of structure (D) is offered by the company WACKER under the name BELSIL® ADM 652.

A product containing amino silicones of structure (E) is offered by WACKER under the name Fluid WR 1300®.

When these amino silicones are used, a particularly advantageous embodiment is their use in the form of an oil in water emulsion. The oil-in-water emulsion can comprise one or more surfactants. The surfactants can be of any kind but preferably cationic and / or nonionic. The number average size of the silicone particles in the emulsion generally ranges from 3 nm to 500 nanometers. Preferably, in particular as amino silicones of formula (E), microemulsions are used whose average particle size ranges from 5 nm to 60 nanometers (limits included) and more particularly from 10 nm to 50 nanometers (limits included). Thus, one can use according to the invention the amino silicone microemulsions of formula (E) proposed under the names FINISH CT 96 E® or SLM 28020® by

According to a fourth embodiment, the amino silicones corresponding to the formula (B) are chosen from the silicones of the following formula (F):

CHr CH, CH, 3Î --- CH, ü ----- Of CH, Π Ό o: 1 A 1 NH 1 (CH ₂ ) j N H-

CH,

If - OH

CH,

In which:

- m and n are numbers such that the sum (n + m) varies from 1 to 2000 and in particular from 50 to 150, n being able to designate a number from 0 to 1999 and in particular from 49 to 149 and m being able to designate a number from 1 to 2000, and in particular from 1 to 10;

- A denotes a linear or branched alkylene radical having 4 to 8 carbon atoms and preferably 4 carbon atoms. This radical is preferably linear.

The weight average molecular mass (Mw) of these amino silicones preferably ranges from 2000 to 1,000,000 and even more particularly from 3,500 to 200,000.

A silicone corresponding to this formula is for example the XIAMETER MEM 8299 EMULSION from DOW CORNING.

According to a fifth embodiment, the amino silicones corresponding to the formula (B) are chosen from the silicones of the following formula (G):

In which:

- m and n are numbers such that the sum (n + m) varies from 1 to 2000 and in particular from 50 to 150, n being able to designate a number from 0 to 1 999 and in particular from 49 to 149 and m being able to designate a number from 1 to 2000, and in particular from 1 to 10;

- A denotes a linear or branched alkylene radical having 4 to 8 carbon atoms and preferably 4 carbon atoms. This radical is preferably branched.

The weight average molecular mass (Mw) of these amino silicones preferably ranges from 500 to 1,000,000 and even more particularly from 1,000 to 200,000.

A silicone corresponding to this formula is for example DC2-8566 Amino Eluid from DOW CORNING.

C) amino silicones corresponding to formula (H):

(H)

In which:

[ΟΠΟ]

- R ₅ represents a monovalent hydrocarbon radical having 1 to 18 carbon atoms, particularly alkyl C _r Ci ₈ alkenyl or C ₂ -C _8, for example methyl;

- R ₆ represents a divalent hydrocarbon radical, in particular a C 1 -C ₈ alkylene radical or a divalent C ₁ -C ₈ , for example C ₁ -C ₈ alkyleneoxy radical linked to Si by an SiC bond;

- Q- is an anion such as a halide ion, especially chloride or an organic acid salt, especially acetate;

- r represents an average statistical value ranging from 2 to 20, in particular from 2 to 8;

- s represents an average statistical value ranging from 20 to 200, in particular from 20 to 50.

Such amino silicones are in particular described in US Pat. No. 4,185,087.

d) quaternary ammonium silicones of the following formula:

CH O H - CH, - N - X i |

R ₇

In which:

- R ₇ , identical or different, represent a monovalent hydrocarbon radical having from 1 to 18 carbon atoms, and in particular a C _r Ci ₈ alkyl radical, a C ₂ -C alkenyl radical _[8 or a ring comprising 5 or 6 carbon atoms, for example methyl;

- R ₆ represents a divalent hydrocarbon radical, in particular a Ci-Ci ₈ alkylene radical or a divalent Ci-Ci ₈ , for example C _r C ₈ alkyleneoxy radical linked to Si by an SiC bond;

- R ₈ , identical or different, represent a hydrogen atom, a monovalent hydrocarbon radical having from 1 to 18 carbon atoms, and in particular a C _r Ci ₈ alkyl radical, a C ₂ -C alkenyl radical _[8 , a radical -R ₆ -NHCOR ₇ ;

- X is an anion such as a halide ion, especially chloride or an organic acid salt, especially acetate;

- r represents an average statistical value ranging from 2 to 200, in particular from 5 to 100.

These silicones are for example described in application EP-A-0530974.

e) amino silicones of formula (J):

[0112]

In which:

- Ri, R ₂ , R ₃ and R4, identical or different, denote a C1-C4 alkyl radical or a phenyl group,

- R ₅ denotes a C1-C4 alkyl radical or a hydroxyl group,

- n is an integer varying from 1 to 5,

- m is an integer varying from 1 to 5, and

- X is chosen in such a way that the amine index varies from 0.01 to 1 meq / g.

F) polyoxyalkylenated multiblock amino silicones, of type (AB) n, A being a polysiloxane block and B being a polyoxyalkylenated block comprising at least one amine group.

Said silicones preferably consist of repeating units of the following general formulas:

[- (SiMe ₂ O) _x SiMe ₂ - R -N (R) - R'-O (C ₂ H ₄ O) _a (C ₃ H ₆ O) _b -R'-N (H) -R-] or

[- (SiMe ₂ O) _x SiMe ₂ - R -N (R) - R '- O (C ₂ H ₄ O) _a (C ₃ H ₆ O) _b -] in which:

- A is an integer greater than or equal to 1, preferably ranging from 5 to 200, more particularly ranging from 10 to 100;

- b is an integer between 0 and 200, preferably ranging from 4 and 100, more particularly between 5 and 30;

- x is an integer ranging from 1 to 10,000, more particularly from 10 to 5,000;

- R is a hydrogen atom or a methyl;

- R, identical or different, represent a divalent hydrocarbon radical C ₂ -C _[2 , linear or branched, optionally comprising one or more heteroatoms such as oxygen; preferably, R denotes an ethylene radical, a linear or branched propylene radical, a linear or branched butylene radical, or a radical -CH ₂ CH ₂ CH ₂ OCH ₂ CH (OH) CH ₂ -; preferably R denotes a radical -CH ₂ CH ₂ CH ₂ OCH ₂ CH (OH) CH 2-;

- R ', identical or different, represent a divalent hydrocarbon radical in C ₂ -C _[2 , linear or branched, optionally comprising one or more heteroatoms such as oxygen; preferably, R 'denotes an ethylene radical, a linear or branched propylene radical, a linear or branched butylene radical, or a -CH ₂ CH ₂ CH ₂ OCH ₂ CH (OH) CH ₂ - radical; preferably R 'denotes -CH (CH ₃ ) -CH ₂ -.

The siloxane blocks preferably represent 50 and 95 mol% of the total weight of the silicone, more particularly from 70 to 85 mol%.

The level of amine is preferably between 0.02 and 0.5 meq / g of copolymer in a 30% solution in dipropylene glycol, more particularly between 0.05 and 0.2. The weight-average molecular mass (Mw) of the silicone is preferably between 5,000 and 1,000,000, more particularly between 10,000 and 200,000.

Mention may in particular be made of the silicones sold under the names Silsoft A-843 or Silsoft A + by Momentive.

G) and mixtures thereof.

When the composition according to the invention comprises one or more fatty substances other than fatty alcohols, their total content preferably ranges from 0.05 to 10% by weight, preferably from 0.1 to 5% by weight, relative to the total weight of the composition, [0117] Fixing polymers

The cosmetic composition contained in the aerosol device according to the present invention may optionally further comprise one or more fixing polymers. Within the meaning of the invention, the term “polymer fixing” means any polymer capable, by application to the hair, of imparting shape to the hair or of enabling the maintenance of an already acquired shape.

All the anionic, cationic, amphoteric, nonionic fixing polymers and their mixtures used in the art can be used in the compositions according to the present application. Preferably, the fixing polymers are chosen from non-onical fixing polymers.

The anionic fixing polymers generally used are polymers comprising groups derived from carboxylic, sulfonic or phosphoric acid and have a number-average molecular mass of between approximately 500 and 5,000,000.

The carboxylic groups are provided by mono or unsaturated dicarboxylic acid monomers such as those corresponding to formula (III):

In which n is an integer from 0 to 10, Ai denotes a methylene group, optionally linked to the carbon atom of the unsaturated group or to the neighboring methylene group when n is greater than 1, via a heteroatom such as oxygen or sulfur, R ₇ denotes a hydrogen atom, a phenyl or benzyl group, R ₈ denotes a hydrogen atom, a lower alkyl or carboxyl group, R ₉ denotes a hydrogen atom, a lower alkyl group, a group -CH ₂ -COOH, phenyl or benzyl.

In the above formula, a lower alkyl group preferably denotes a group having 1 to 4 carbon atoms and in particular, methyl and ethyl groups.

The anionic fixing polymers with carboxylic groups preferred according to the invention are:

A) Copolymers of acrylic or methacrylic acid or their salts.

Among these polymers, mention may be made of copolymers of acrylic or methacrylic acid with a monoethylenic monomer such as ethylene, styrene, vinyl esters, esters of acrylic or methacrylic acid, optionally grafted on a polyalkylene glycol such as polyethylene glycol, and optionally crosslinked. Such polymers are described in particular in French patent ri 1,222,944 and German application ri 2,330,956, copolymers of this type comprising in their chain an acrylamide unit, optionally N-alkylated and / or hydroxyalkylated as described in particular in Luxembourg patent applications Nos 75370 and 75371. Mention may also be made of copolymers of acrylic acid and C _r C ₄ alkyl methacrylate and terpolymers of vinylpyrrolidone, acrylic acid and C 1 -C alkyl methacrylate ₂₀ , for example, of lauryl, such as that sold by the company ISP under the name ACRYLIDONE® LM (name INCI VP / acrylates / lauryl methacrylate copolymer), terpolymers of acrylic acid / ethyl acrylate / Nt-butylacrylamide such as ULTRAHOLD® STRONG and ULTRAHOLD® 8 products sold by the company BASE (name INCI Acrylates / tbutylacrylamide copolymer), methacrylic acid / ethyl acrylate / acrylate terpolymers tert-butyl such as the products marketed under the names LUVIMER® 100 P or LUVIMER® PRO 55 by the company BASE (name INCI Acrylates copolymer), copolymers of methacrylic acid and ethyl acrylate such as the products marketed under the names LUVIMER ® MAE or LUVIELEX® SOET by the company BASE (name INCI Acrylates copolymer), acrylic acid / butyl acrylate / methyl methacrylate terpolymers such as the product marketed under the name BALANCE® CR by the company AKZO NOBEL (name INCI Acrylates copolymer) , copolymers of methacrylic acid and methyl methacrylate sold under the name EUDRAGIT® L 100 by the company ROHM PHARMA (name INCI Acrylates copolymer). We can also mention branched block polymers containing (meth) acrylic acid monomers such as the product sold under the name ΕΙΧΑΤΕ® G100L by the company LUBRIZOL (name INCI AMP-acrylates / allyl methacrylate copolymer).

B) Copolymers of crotonic acid, such as those comprising in their chain vinyl acetate or propionate units, and optionally other monomers such as the allyl or methallyl esters, vinyl ether or vinyl ester of an acid saturated, linear or branched carboxylic, with a long hydrocarbon chain, such as those containing at least 5 carbon atoms, these polymers possibly being grafted or crosslinked, or even another vinyl ester, allyl or methallyl monomer of a carboxylic acid a- or β-cyclic. Such polymers are described inter alia in French patents Nos. 1 222 944, 1 580 545, 2 265 782, 2 265 781, 1 564 110 and 2 439 798. Commercial products falling into this class are products RESYN® 28-2930 and 28-1310 sold by the company AKZO NOBEL (names INCI VA / crotonates / vinyldecanoate copolymer and VA / crotonates copolymer respectively). We can also cite the products LUVISET® CA 66 sold by the company BASF, ARISTOFLEX® A60 sold by the company CLARIANT (name INCI VA / crotonates copolymer) and MEXOMERE® PW or PAM sold by the company CHIMEX (name INCI VA / vinyl butyl benzoate / crotonates copolymer).

C) Copolymers of C ₄ -C ₈ monounsaturated carboxylic acids or anhydrides chosen from:

- the copolymers comprising (i) one or more maleic, fumaric, itaconic acids or anhydrides and (ii) at least one monomer chosen from vinyl esters, vinyl ethers, vinyl halides, phenyl vinyl derivatives, acrylic acid and its esters, the anhydride functions of these copolymers being optionally monoesterified or monoamidified. Such polymers are described in particular in US patents 2,047,398, 2,723,248, 2,102,113, patent GB839,805. Commercial products are in particular those sold under the names GANTREZ® AN or ES by the company ISP, such as GANTREZ® ES 225 (designation INCI Ethyl ester of PVM / MA copolymer) or GANTREZ® ES 425L (designation INCI Butyl ester of PVM / MA copolymer);

- the copolymers comprising (i) one or more maleic, citraconic, itaconic anhydride units and (ii) one or more monomers chosen from allylic or methallylic esters optionally comprising one or more acrylamide, methacrylamide, α-olefin groups, acrylic or methacrylic esters , acrylic or methacrylic or vinylpyrrolidone acids in their chain, the anhydride functions of these copolymers being optionally monoesterified or monoamidified.

These polymers are for example described in patents FR2 350 384 and FR2 357 241.

D) Polyacrylamides containing carboxylate groups.

The fixing polymers with units derived from sulfonic acid can be chosen from:

A ’) Homopolymers and copolymers containing vinylsulfonic, styrene-sulfonic, naphthalene-sulfonic or acrylamido-alkylsulfonic units.

These polymers can in particular be chosen from:

the salts of polyvinylsulfonic acid having a molecular mass of between approximately 1,000 and 100,000, as well as the copolymers with an unsaturated comonomer such as acrylic or methacrylic acids and their esters, as well as acrylamide or its derivatives, vinyl ethers and vinylpyrrolidone;

- the salts of polystyrene-sulfonic acid such as the sodium salts sold for example under the name ELEXAN® II by AKZO NOBEL (name INCI Sodium polystyrene sulfonate). These compounds are described in patent ER 2 198 719;

- the salts of polyacrylamide-sulfonic acids such as those mentioned in US Pat. No. 4,128,631, and more particularly the polyacrylamidoethylpropane-sulfonic acid sold under the name RHEOCARE® HSP-1180 by COGNIS (name INCI polyacrylamidomethylpropane sulfonic acid).

B ') The sulfonic polyesters, these polymers being advantageously obtained by polycondensation of at least one dicarboxylic acid, of at least one diol or of a mixture of diol and diamine, and of at least one difunctional monomer having a sulfonic function. Among these polymers, there may be mentioned:

- linear sulfonic polyesters such as those described in patent applications US 3,734,874, US 3,779,993, US 4,119,680, US 4,300,580, US 4,973,656, US5,660,816, US 5,662,893 and US 5,674 479. Such polymers are, for example, the products EASTMAN® AQ38S POLYMER, EASTMAN® AQ55S POLYMER, EASTMAN® AQ48 ULTRA POLYMER sold by the company EASTMAN CHEMICAL (name Polyester-5) which are copolymers obtained from diethylene glycol, of 1, 4-cyclohexanedimethanol, isophthalic acid and salt of sulfoisophthalic acid.

- branched sulfonic polyesters such as those described in patent applications WO 95/18191, WO 97/08261 and WO 97/20899. Such compounds are for example the products EASTMAN® AQ10D POLYMER (name Polyester-13) or EASTMAN® AQ1350 POLYMER offered by the company EASTMAN CHEMICAL (name Polyester-13).

According to the invention, the anionic fixing polymers are preferably chosen from acrylic acid copolymers such as acrylic acid / ethyl acrylate / N-tertiobutylacrylamide terpolymers sold in particular under the name ULTRAHOLD® STRONG by the company BASF , copolymers derived from crotonic acid such as the vinyl acetate / vinyl tert-butylbenzoate / crotonic acid terpolymers and the crotonic acid / vinyl acetate / vinyl neododecanoate terpolymers sold in particular under the name RESYN 28-2930 by the company AKZO NOBEL, polymers derived from maleic, fumaric or itaconic acids or anhydrides with vinyl esters, vinyl ethers, vinyl halides, phenyl vinyl derivatives, acrylic acid and its esters such as methyl vinyl ether / anhydride copolymers monoesterified maleic sold, for example, under the names GANTREZ® ES 425L or ES 225 by the company ISP,, copolymers of met hacrylic and ethyl acrylate sold under the name LUVIMER® MAE by the company BASF and the vinyl acetate / crotonic acid copolymers sold under the name LUVISET® CA 66 by the company BASF and the grafted vinyl acetate / crotonic acid copolymers with polyethylene glycol sold under the name ARISTOFLEX® A60 by the company CLARIANT, the vinylpyrrolidone / acrylic acid / lauryl methacrylate terpolymers sold under the name ACRYLIDONE® LM by the company ISP, the polymer sold under the name FIXATE® G-100L by the LUBRIZOL company, vinyl acetate / crotonic acid / vinyl p-tert-butylbenzoate copolymers sold under the names MEXOMERE® PW or PAM by the company Chimex [0131] The cationic fixing polymers which can be used according to the present invention are preferably chosen from polymers comprising primary, secondary, tertiary and / or quaternary amine groups forming part of the polymer chain or directly connected thereto, and having a molecular weight of between 500 and about 5,000,000 and preferably between 1,000 and 3,000,000.

Among these polymers, there may be mentioned more particularly the following cationic polymers:

(1) homopolymers or copolymers derived from acrylic or methacrylic esters or amides and comprising at least one of the units of the following formulas:

In which:

- R ₃ denotes a hydrogen atom or a CH ₃ radical;

- A is a linear or branched alkyl group comprising from 1 to 6 carbon atoms or a hydroxyalkyl group comprising from 1 to 4 carbon atoms;

- R4, R ₅ , R ₆ , identical or different, represent an alkyl group having from 1 to 18 carbon atoms or a benzyl radical;

- Ri and R ₂ , identical or different, each represent a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms;

- X denotes a methosulfate anion or a halide such as chloride or bromide.

The copolymers of the family (1) also contain one or more units deriving from comonomers which can be chosen from the family of acrylamides, methacrylamides, diacetones-acrylamides, acrylamides and methacrylamides substituted on nitrogen by lower alkyl groups ( C1-C4), groups derived from acrylic or methacrylic acids or their esters, vinyllactams such as vinylpyrrolidone or vinylcaprolactam, from vinyl esters.

Among these copolymers of the family (1), there may be mentioned:

- vinylpyrrolidone / acrylate or methacrylate of dialkylaminoalkyl, quaternized or not, such as the products sold under the name GAFQUAT® by the company ISP, for example GAFQUAT® 734 or GAFQUAT® 755 or GAFQUAT® 755N (name INCI Polyquaternium-11) or indeed the products called COPOLYMER® 845, 958 and 937 marketed by ISP (name INCI VP / dimethylaminoethylmethacrylate copolymer). These polymers are described in detail in French patents 2,077,143 and 2,393,573, - fatty chain polymers and with vinylpyrrolidone motif, such as the products sold under the name STYLEZE® W20L and STYLEZE® W10 by the company ISP (name INCI Polyquatemium-55), - dimethylaminoethyl methacrylate / vinylcaprolactam / vinylpyrrolidone terpolymers such as the products marketed under the names ADVANTAGE HC 37 or GAEEIX® VC 713 by the company ISP (name INCI Vinyl caprolactam / VP / dimethylaminoethyl methacrylate)

- and vinylpyrrolidone / methacrylamide dimethylaminopropyl quaternized copolymers such as the products sold under the name GALQUAT® HS 100 by the company ISP (name Polyquatemium-28).

(2) cationic guar gum derivatives, preferably with quaternary ammonium such as those described in US patents 3,589,578 and 4,031,307, such as guar gums containing cationic trialkylammonium groups. Such products are sold in particular under the trade names of JAGUAR® C13 S, JAGUAR® C 15, JAGUAR® C 17 by the company RHODIA (name INCI Guar hydroxypropyltrimonium chloride).

(0) the quaternary copolymers of vinylpyrrolidone and of vinylimidazole; Mention may be made, for example, of vinylpyrrolidone / methyl vinylimidazolium chloride copolymers such as the products sold by the company BASE under the names LUVIQUAT® EC550 or EC370, LUVIQUAT® EXCELLENCE, LUVIQUAT® STYLE (name INCI Polyquatemium-16), or vinylpyrrone polymers / vinylimidazolium methosulfate / vinylcaprolactam such as the product LUVIQUAT® HOLD sold by the company BASE (name INCI Polyquatemium-46).

(4) chitosans or their salts; the salts which can be used are in particular acetate, lactate, glutamate, gluconate or chitosan pyrrolidone-carboxylate.

Among these compounds, mention may be made of chitosan pyrrolidone carboxylate sold under the name KYTAMER® PC by the company AMERCHOL (name INCI Chitosan PC A).

(5) cationic cellulose derivatives such as cellulose copolymers or cellulose derivatives grafted with a water-soluble monomer comprising a quaternary ammonium, and described in particular in US Pat. No. 4,131,576, such as hydroxyalkyl celluloses, such as hydroxymethyl-, hydroxyethyl- or hydroxypropyl celluloses grafted in particular with a salt of methacryloyloxyethyl trimethylammonium, of methacrylamidopropyl trimethylammonium, of dimethyldiallylammonium.

The marketed products meeting this definition are more particularly the products sold under the name CELQUAT® L 200 and CELQUAT® H 100 by the company AKZO NOBEL (name INCI Polyquatemium-4).

The amphoteric fixing polymers which can be used in accordance with the invention can be chosen from polymers comprising L and M units distributed statistically in the polymer chain where L denotes a unit derived from a monomer comprising at least one basic nitrogen atom and M denotes a unit deriving from an acid monomer comprising one or more carboxylic or sulphonic groups, or else L and M can denote groups deriving from zwitterionic monomers of carboxybetaines or sulphobetaines;

L and M can also denote a cationic polymer chain comprising primary, secondary, tertiary or quaternary amine groups, in which at least one of the amine groups carries a carboxylic or sulphonic group linked via a hydrocarbon group, or although L and M form part of a chain of a polymer containing an ethylene-a, [> - dicarboxylic unit, one of the carboxylic groups of which has been caused to react with a polyamine comprising one or more primary or secondary amine groups.

The amphoteric fixing polymers corresponding to the definition given above which are more particularly preferred are chosen from the following polymers:

(1) copolymers with acid vinyl units and with basic vinyl units, such as those resulting from the copolymerization of a monomer derived from a vinyl compound carrying a carboxylic group such as more particularly acrylic acid, methacrylic acid, maleic acid, alpha-chloroacrylic acid, and a basic monomer derived from a substituted vinyl compound containing at least one basic atom, such as more particularly dialkylaminoalkyl methacrylate and acrylate, dialkylaminoalkylmethacrylamide and acrylamide. Such compounds are described in US Patent 3,836,537.

(2) polymers comprising units derived from:

a) at least one monomer chosen from acrylamides or methacrylamides substituted on the nitrogen atom by an alkyl group,

b) at least one acidic comonomer containing one or more reactive carboxylic groups, and

c) at least one basic comonomer such as esters with primary, secondary, tertiary and quaternary amine substituents of acrylic and methacrylic acids, and the quaternization product of dimethylaminoethyl methacrylate with dimethyl or diethyl sulfate.

The N-substituted acrylamides or methacrylamides more particularly preferred according to the invention are the compounds whose alkyl groups contain from 2 to 12 carbon atoms, and more particularly N-ethylacrylamide, N-tertiobutylacrylamide, N-tertiooctylacrylamide, N -octylacrylamide, N-decylacrylamide, Ndodecylacrylamide as well as the corresponding methacrylamides.

The acid comonomers are chosen more particularly from acrylic, methacrylic, crotonic, itaconic, maleic, fumaric acids as well as alkyl monoesters having 1 to 4 carbon atoms of maleic or fumaric acids or anhydrides.

The preferred basic comonomers are aminoethyl, butylaminoethyl, Ν, Ν'-dimethylaminoethyl, N-tert-butylaminoethyl methacrylates.

Particularly used are the copolymers whose name INCI is Octylacrylamide / acrylates / butylaminoethyl methacrylate copolymer, such as the products sold under the names AMPHOMER®, AMPHOMER® LV71 or BALANCE® 47 by the company AKZO NOBEL.

(3) crosslinked and acylated polyaminoamides partially or totally derived from polyaminoamides of general formula:

In which Rio represents a divalent group derived from a saturated dicarboxylic acid, from an aliphatic mono or dicarboxylic acid with ethylene double bond, from an ester of a lower alkanol having 1 to 6 carbon atoms of these acids or from a group deriving from the addition of any one of said acids with a bisprimary or bis-secondary amine, and Z denotes a group deriving from a bis-primary, mono- or bis-secondary polyalkylene polyamine and preferably represents :

a) in the proportions of 60 to 100 mol%, the group

Where x = 2 and p = 2 or 3, or else x = 3 and p = 2 this group deriving from diethylene triamine, triethylene tetraamine or dipropylene triamine;

b) in the proportions of 0 to 40 mol%, the group (V) above, in which x = 2 and p = l and which is derived from ethylenediamine, or the group deriving from piperazine:

C) in the proportions of 0 to 20 mol%, the group -NH- (CH ₂ ) ₆ -NH- deriving from hexamethylenediamine, these polyaminoamides being crosslinked by the addition reaction of a bifunctional crosslinking agent chosen from epihalohydrins, diepoxides, dianhydrides, bis-unsaturated derivatives, using 0.025 to 0.35 mole of crosslinking agent by amine group of the polyaminoamide, and acylated by action of acrylic acid, chloracetic acid or an alkane-sultone or their salts.

The saturated carboxylic acids are preferably chosen from acids having 6 to 10 carbon atoms such as adipic, trimethyl-2,2,4-adipic and trimethyl-2,4,4-adipic, terephthalic, acids with ethylenic double bond like, for example, acrylic, methacrylic, itaconic acids.

The alkane sultones used in the acylation are preferably propane- or butane-sultone, the salts of the acylating agents are preferably the sodium or potassium salts.

(4) polymers comprising zwitterionic units of formula:

R, .H ,.

r]] Q

R- _r --c · + il — ô-O ”(VI) RV V-,

A _{: <}

In which RI 1 denotes a polymerizable unsaturated group such as an acrylate, methacrylate, acrylamide or methacrylamide group, y and z represent an integer from 1 to 3, R _[2 and R _n represent a hydrogen atom, a methyl, ethyl or propyl group, R _M and R _[5 represent a hydrogen atom or an alkyl group in such a way that the sum of the carbon atoms in R _u and R _[5 does not exceed 10.

The polymers comprising such units may also comprise units derived from non-zwitterionic monomers such as acrylate or methacrylate of dimethyl- or diethylaminoethyl or alkyl acrylates or methacrylates, acrylamides or methacrylamides, or vinyl acetate.

By way of example, mention may be made of methyl methacrylate / dimethyl-carboxymethylammonio-ethyl methacrylate copolymers, such as the product sold under the name DIAFORMER Z-301N or Z-301W by the company CLARIANT (name INCI Acrylates copolymer).

(5) polymers derived from chitosan comprising monomer units corresponding to the following formulas

& _r .COOH

The pattern (D) being present in proportions of between 0 and 30%, the pattern (E) in proportions of between 5 and 50% and the pattern (F) in proportions of between 30 and 90%, it being understood that in this motif (F), R16 represents a group of formula:

R, --- d - (01 —- C

I I

In which if q = 0, R _n , R _[8 and Ri ₉ , identical or different, each represent a hydrogen atom, a methyl, hydroxylated, acetoxy or amino residue, a monoalkoylamine residue or a dialkoylamine residue optionally interrupted by one or more nitrogen atoms and / or optionally substituted by one or more amine, hydroxylated, carboxyl, alkylthio, sulfonic groups, an alkylthio residue in which the alkyl group carries an amino residue, at least one of the groups, R _n , R _[8 and R19 being in this case a hydrogen atom;

or if q = l, R _n , Ri ₈ and R | _Q each represents a hydrogen atom, as well as the salts formed by these compounds with bases or acids.

(6) These polymers containing units corresponding to the general formula (VII) are, for example, described in French patent 1,400,366:

(VII)

In which R ₂ o represents a hydrogen atom, a CH3O, CH3CH2O, phenyl group, R _{2 [} denotes a hydrogen atom or a lower alkyl group such as methyl, ethyl, R ₂₂ denotes an atom of hydrogen or lower alkyl group C ₆ such as methyl, ethyl, R ₂₃ denotes a lower alkyl group-C ₆ such as methyl, ethyl or a group of the formula: -R ₂₄ -N (R _{22) 2} , R ₂₄ representing a group -CH ₂ -CH ₂ -, -CH ₂ -CH ₂ -CH ₂ -, -CH ₂ -CH (CH ₃ ) -, R ₂₂ having the meanings mentioned above.

(0) Polymers derived from the N-carboxyalkylation of chitosan such as Ncarboxymethyl-chitosan or N-carboxybutyl-chitosan, for example the product sold under the name CHITOGLYCAN by the company SINERGA SPA (name INCI Carboxymethyl chitosan) .

(8) The amphoteric polymers of the -D-X-D-X type chosen from:

a) the polymers obtained by the action of chloracetic acid or sodium chloroacetate on the compounds comprising at least one unit of formula:

-D-X-D-X-D- (VIII) where D denotes a group

And X denotes the symbol E or E ', E or E', which are identical or different, denote a bivalent group which is an alkylene group with a straight or branched chain, comprising up to 7 carbon atoms in the unsubstituted main chain or substituted by hydroxyl groups and which may additionally contain oxygen, nitrogen, sulfur atoms, 1 to 3 aromatic and / or heterocyclic rings; the oxygen, nitrogen and sulfur atoms being present in the form of ether, thioether, sulfoxide, sulfone, sulfonium, alkylamine, alkenylamine groups, hydroxyl groups, benzylamine, amine oxide, quaternary ammonium, amide, imide, alcohol, ester and / or urethane.

[0158]

b) The polymers of formula:

-D-X-D-X- (VID ') where D denotes a group

And X denotes the symbol E or E 'and at least once E'; E having the meaning indicated above and E 'is a bivalent group which is a straight or branched chain alkylene group, having up to 7 carbon atoms in the main chain, substituted or not by one or more hydroxyl groups and comprising one or more nitrogen atoms, the nitrogen atom being substituted by an alkyl chain possibly interrupted by an oxygen atom and necessarily having one or more carboxyl functions or one or more hydroxyl and betaine functions by reaction with chloracetic acid or sodium chloracetate.

(9) alkyl (Cl-C5) vinyl ether / maleic anhydride copolymers partially modified by semiamidification with a Ν, Ν-dialkylaminoalkylamine such as Ν, Ν-dimethylaminopropylamine or by semiesterification with a Ν, Ν-dialkylaminoalkanol. These copolymers can also contain other vinyl comonomers such as vinylcaprolactam.

Among the amphoteric fixing polymers mentioned above which are most particularly preferred according to the invention, mention will be made of those of the family (3) such as copolymers whose name INCI is Octylacrylamide / acrylates / butylamino ethylmethacrylate copolymer, such as the products sold under the names AMPHOMER®, AMPHOMER® LV 71 or BALANCE® 47 by the company AKZO NOBEL and those of the family (4) such as methyl methacrylate / dimethyl-carboxymethylammonio-ethyl methacrylate copolymers sold for example under the name DIAFORMER Z- 301N or Z-301W by CLARIANT. The nonionic fixing polymers which can be used according to the present invention are chosen, for example, from:

- polyalkyloxazolines;

- vinyl acetate homopolymers;

- vinyl acetate copolymers such as, for example, vinyl acetate and acrylic ester copolymers, copolymers of vinyl acetate and ethylene, or copolymers of vinyl acetate and maleic ester, for example, dibutyl maleate;

- homopolymers and copolymers of acrylic esters such as, for example, copolymers of alkyl acrylates and of alkyl methacrylates such as the products offered by ROHM GmbH under the name EUDRAGIT® NE 30 D (name INCI Acrylates capolymer);

- copolymers of acrylonitrile and of a nonionic monomer chosen, for example, from butadiene and alkyl (meth) acrylates;

- homopolymers of styrene;

- styrene copolymers such as, for example, copolymers of styrene, of alkyl methacrylate and of alkyl acrylate; copolymers of styrene and butadiene; or copolymers of styrene, butadiene and vinylpyridine;

- polyamides;

- vinyllactam homopolymers such as vinylpyrrolidone homopolymers marketed for example under the names LUVISKOL® K30 powder by the company BASF or PVP K30L or K60 solution or K90 by the company ISP, or such as polyvinylcaprolactam marketed under the name LUVISKOL® PLUS by the company BASF (name INCI PVP);

- vinyllactam copolymers such as a poly (vinylpyrrolidone / vinyllactame) copolymer sold under the trade name LUVITEC® VPC 55K65W by BASF, poly (vinylpyrrolidone / vinyl acetate) copolymers such as those marketed under the name PVP / VA® S630L, E735, E635, W735 by the company ISP, LUVISKOL® VA 73, VA 64, VA 37 by the company BASF (name INCI VP / VA copolymer); and the vinylpyrrolidone / methacrylamide / vinylimidazole terpolymers such as, for example, that sold under the name LUVISET® CLEAR by the company BASF (name INCI VP / methacrylamide / vinyl imidazole copolymer).

The alkyl groups of the nonionic polymers mentioned above preferably have from 1 to 6 carbon atoms.

According to the invention, it is also possible to use fixing polymers of the grafted silicone type, comprising a polysiloxane part and a part consisting of a non-silicone organic chain, one of the two parts constituting the main chain of the polymer and l 'other being grafted on said main chain.

These polymers are for example described in patent applications EP-A-0 412 704, EP-A-0 412 707, EP-A-0 640 105 and WO 95/00578, EP-A-0 582 152 and WO 93/23009 and US patents 4,693,935, US 4,728,571 and US 4,972,037.

These polymers can be amphoteric, anionic or nonionic, and they are preferably anionic or nonionic.

Such polymers are, for example, the copolymers capable of being obtained by radical polymerization from the mixture of monomers formed:

a) from 50 to 90% by weight of tert-butyl acrylate,

b) from 0 to 40% by weight of acrylic acid,

c) from 5 to 40% by weight of a silicone macromer of formula

OC.H:

ili ”

C & = C — C --O — ÆH-A: · -If —O a ₍ ·.,

CH, CH.

Where v is a number ranging from 5 to 700, the weight percentages being calculated relative to the total weight of the monomers.

Other examples of grafted silicone polymers are in particular polydimethylsiloxanes (PDMS) onto which are grafted, via a thiopropylene-type connecting link, mixed polymer units of the poly ((meth) acrylic acid type) ) and of the poly ((meth) acrylate) type, and of polydimethylsiloxanes (PDMS) on which are grafted, via a connecting link of thiopropylene type, polymer units of the poly (meth) acrylate type isobutyl.

Grafted silicone polymers are for example sold under the names SILICONE PLUS POLYMER® VS80 and VA70 by 3M (INCI names Polysilicone-8 and Polysilicone-7 respectively).

As another type of silicone fixing polymers, mention may be made of the product LUVIFLEX® SILK sold by the company BASF (name INCI PEG / PPG-25/25 dimethicone / acrylates Copolymer).

Can also be used as fixing polymers, polyurethanes functionalized or not, silicone or not, cationic, nonionic, anionic or amphoteric, or mixtures thereof.

The polyurethanes particularly targeted by the present invention are those described in applications EP 0 751 162, EP 0 637 600, EP 0 648 485 and FR 2 743 297 of which the applicant is the holder, as well as in applications EP 0 656 021 and WO 94/03510 from BASF, and EP 0 619 111 from National Starch.

As polyurethanes which are particularly suitable in the present invention, mention may be made of the products sold under the names LUVISET PUR® and LUVISET® Si PUR by the company BASF (names INCI Polyurethane-1 and Polyurethane-6 respectively).

When the composition comprises one or more fixing polymers, their total content preferably ranges from 0.05 to 10% by weight, preferably from 0.1 to 5% by weight relative to the total weight of the composition.

Powders

The cosmetic composition contained in the aerosol device according to the present invention may optionally further comprise one or more powder (s).

The powders can be chosen from fillers, pigments and their mixtures.

Preferably, the composition according to the invention may comprise one or more styling powder (s).

By "styling powder" is meant within the meaning of the present invention, a powder having an ability to shape the hair or to the durability of this shaping.

The aptitude for shaping or durability of the shaping of the powder may in particular be due to its chemical nature and / or its geometric shape and / or its arrangement configuration during deposition on the keratin fiber. , Indeed, the irregularities created on the surface of the hair favor the bonding of the fibers between them.

The powder can be of any form such as lamellar, spherical or oblong, whatever the crystallographic form (for example cubic, hexagonal, orthorhombic, rhombohedral or tetragonal). In a preferred embodiment, the powders are not spherical.

The number average size of the powder can vary from 0.001 to 50 μm, better still from 0.002 to 40 μm, and even more preferably from 0.003 to 35 μm.

This number average size corresponds to the size measured from the statistical distribution of particle sizes for half of the total number of particles. The latter is called D50.

In addition, the number average size of these particles can be measured as an average value by a method of observation under an optical microscope, an electron microscope, or a particle size analyzer using laser diffraction. .

In the case where the particles do not have a spherical shape, their number average size can be determined in the form of an average of the longest, shortest diameter or thickness.

Said powder can be mineral or organic, preferably mineral.

The powder is preferably chosen from pigments, fillers and their mixtures.

By "filler" within the meaning of the present invention means natural or synthetic particles, white or colorless, which have any shape and which are insoluble in the medium of the composition, regardless of the temperature at which the composition is manufactured.

The fillers can be organic or inorganic, and of any form such as lamellar, spherical or oblong, whatever the crystallographic form (for example cubic, hexagonal, orthorhombic, rhombohedral or tetragonal). In a preferred embodiment, the charges are not spherical.

By “pigment” in the sense of the present invention, is meant organic or mineral particles, white or colored, of any shape, which are insoluble in the physiological medium and which gives a coloring to the composition.

The term "mineral" includes chemical compounds which are inorganic, natural or synthetic. Mineral substances are mainly in a crystalline form.

As examples of mineral or inorganic powder, there may be mentioned in particular:

- fillers such as carbonates, metal oxides and sulfates such as those of alkaline earth metals, aluminum, gallium and indium; silicates; modified or unmodified silicas; sericite, synthetic fluorphlogopite, talc; natural or synthetic mica, in particular white mica, gold mica, red mica, black mica, lithium mica-oxide; calcium phosphate, silicic acid, silicic anhydride, silicon carbide, metal salts of tungstic acid, magnesium aluminate, bentonite, zeolites, smectite, hydroxyapatite, powder ceramic, boron nitride, and glass or ceramic microcapsules;

- specific composite fillers such as those sold under the names Excel Mica, Excel Pearl and La Vie powder by the company Miyoshi Kasei, Inc.;

- white pigments such as titanium dioxide, zinc oxide, zirconium oxide and cerium oxide;

- colored pigments such as red iron oxide, yellow iron oxide, black iron oxide, chromium oxide, chromium hydroxide, Prussian blue, ultramarine blue, chromium hydrate, ferric blue, inorganic blue pigments, carbon black, lower titanium oxides, manganese violet, cobalt violet, metal powders such as aluminum powder and copper powder ;

- pearlescent pigments such as bismuth oxychloride, mica / titanium, pearl essence, powder prepared by coating synthetic mica with titanium dioxide, powder prepared by coating silica flakes with titanium dioxide , which is available under the trademark Metashine from Nippon Sheet Glass Co., Ltd., the powder prepared by coating alumina flakes with tin oxide and titanium dioxide, the powder prepared by coating flakes aluminum with titanium dioxide, the powder prepared by coating copper flakes with silica, sold by Eckert Inc. USA, the powder prepared by coating bronze flakes with silica, and the powder prepared by coating aluminum flakes with silica;

- ultrafine powder, having an average particle size of less than 0.1 µm, such as ultrafine titanium dioxide, ultrafine zinc oxide, ultrafine iron oxide, and ultrafine cerium oxide;

- other powders such as luminescent powder sold under the trademark Luminova Series by Mitsui & Co., Ltd., aluminum powder, aluminum powder, stainless steel powder, tourmaline powder, and amber powder; and

- one of their mixtures.

Examples of organic powder are wool powder, polyamide powder (Nylon® or Orgasol® from Arkema), polyester powder, polyethylene powder, polypropylene powder, polystyrene powder, polyurethane powder, benzoguanamine powder, polymethyl benzoguanamine powder, tetrafluoroethylene powder, poly (methyl methacrylate) powder, cellulose powder, silk powder, silicone powder, rubber rubber powder silicone, synthetic resin powders such as a styrene / acrylate copolymer, a divinylbenzene / styrene copolymer, a vinyl resin, a urea resin, a phenolic resin, a fluorinated resin, tetrafluoroethylene (Teflon®) polymers, a resin of silicone, acrylic resin, melamine resin, epoxy resin, and polycarbonate resin, polymeric hollow microspheres, such as those of poly (vinylidene chloride) / acrylonitrile, for example Expancel® (Nobel Indu streak), or copolymers of acrylic acid (Polytrop® from Dow Corning), microbeads of silicone resin (Tospearls® from Toshiba, for example), particles formed of polyorganosiloxane elastomers, microcrystalline fiber powder, starch powder, acylated lysine powder, poly ^ -alanine, lauryllysine, phosphate metal salt (long chain alkyl), metal soap powder, yellow color index pigments (CI ), the orange CI pigments and tar-derived pigments prepared in the form of lacquer, and the dyes existing in a natural state prepared in the form of lacquer.

The doped or non-doped composite powder may also be suitable as a base powder intended to undergo a surface treatment. Examples of the latter include powder prepared by coating inorganic coloring pigments such as red iron oxide with silicic anhydride, powders prepared by coating nylon with white pigments and powders prepared by coating fillers with ultrafine white pigments.

The mineral powder (s) according to the invention can (may) optionally be modified at the surface by organic compounds.

More preferably, the powder is a mineral powder consisting of one or more mineral compound (s) insoluble in water.

For the purposes of the present invention, the term “insoluble in water” means a compound whose solubility at spontaneous pH in water at 25 ° C. and at atmospheric pressure is less than 0.1%.

The mineral compound (s) insoluble in water are preferably chosen from carbonates, metal oxides and sulfates, silicates, modified or unmodified silicas, mica, talc, and their mixtures.

By way of examples, there may be mentioned more particularly the carbonates, oxides and sulfates of alkaline earth metals such as beryllium, magnesium, calcium, strontium, barium and radium, better still magnesium and calcium ; aluminum, gallium and indium oxides, sulfates and carbonates; silicates such as kaolinite or kaolins (natural silicates containing kaolinite), silicates containing magnesium, in particular those containing an amount of magnesium greater than 10% by weight (in dry base) expressed as magnesium oxide such as Li-Mg-Na silicates such as Laponite XLG offered by the company ROCKWOOD; modified or unmodified silicas, better modified; mica; talc; and their mixtures.

Among the modified silicas, it is preferred to use surface-treated silicas such as hydrophobic silicas, such as for example hydrophobic fumed silica of nanometric size and treated on the surface with hexamethyldisilazane such as the silica sold under the trade name Aerosil R812S or Aerosil R972 by the company EVONIK, or HDK H115 by the company Wacker, or hydrophobic fumed silica treated on the surface with dimethylsilane.

More preferably, the powder or powders are chosen from fillers, and more preferably from calcium carbonate, magnesium carbonate, alumina, barium sulfate, magnesium oxide, kaolinite or kaolins , modified or unmodified silicas, better modified and better still hydrophobic fumed silica of nanometric size and surface treated with hexamethyldisilazane or hydrophobic fumed silica surface treated with dimethylsilane; mica; talc; and their mixtures.

When the composition comprises one or more powders, their total content preferably ranges from 0.05 to 10% by weight, preferably from 0.1 to 5% by weight, relative to the total weight of the composition.

Examples

In the examples which follow, all the amounts are indicated as a percentage by weight of raw material relative to the total weight of the composition.

Example 1

a) Compositions tested

A composition was prepared from the ingredients, the contents of which are indicated in the table below: [Tables 1]

Composition Stearoyl sarcosine 0.29 Cetyl alcohol 1.96 Myristoyl sarcosine 0.1 Triethanolamine 0.18 Propellant 2 Preservative, fragrance qs Water Qsp100

B) Packaging

The composition thus obtained was packaged in two 150mL containers A and B with a valve and a foam-type diffuser.

The propellant contained in the first container A is an isobutane / butane / propane mixture (comparison), while the propellant contained in the second container B is carbon dioxide (according to the invention).

The foams obtained from these compositions are evaluated visually. C) Results

The composition sprayed using the device according to the invention (B) has better foaming properties than that sprayed with the comparative device (A).

Indeed, the foam obtained from the composition packaged with carbon dioxide is creamy, it has a shiny appearance as well as a smooth and well-formed texture, easily applicable.

Conversely, the foam obtained from the composition conditioned with a hydrocarbon-type propellant is expanded and very airy, it has a matt appearance and a light and volatile texture. It is more difficult to apply and less pleasant than the foam obtained with the device of the invention.

Example 2

a) Compositions tested

Composition B1 according to the present invention and comparative composition A1 were prepared from the ingredients, the contents of which are indicated in the table below:

[Tables2]

Al (Comparative) Bl (Invention) Stearoyl sarcosine 0.29 0.29 Cetyl alcohol - 1.96 Myristoyl sarcosine o.l 0.1 Triethanolamine 0.18 0.18 Carbon dioxide 2 2 Preservative, fragrance qs qs Water Qsp100 Qsp 100

B) Packaging

The compositions are packaged in a 150mL container with a valve and a foam-type diffuser.

The foams obtained from these compositions are evaluated visually. C) Results

The composition according to the invention (comprising a fatty alcohol) has better foaming properties than the comparative composition (not comprising fatty alcohol).

Indeed, the foam obtained from composition Bl is creamy with a shiny appearance and a creamy texture, well formed and easily applicable.

Conversely, the foam obtained from composition Al has an unstable liquid texture. This foam is difficult to apply, unlike that obtained with the composition according to the invention.

Example 3

a) Compositions tested

The composition according to the invention was prepared from the ingredients, the contents of which are indicated in the table below: [Tables 3]

Composition Stearoyl sarcosine 0.29 Cetyl alcohol 1.96 Myristoyl sarcosine 0.1 Dimethicone 2.45 Triethanolamine 0.18 Carbon dioxide 2 Preservative, fragrance qs Water QsplOO

B) Packaging

The composition is packaged in a 150mL container with a valve and a foam-type diffuser.

The foam obtained was tested on a panel of 18 users. The foam was evaluated on its texture, as well as on the cosmetic and styling properties imparted to the hair.

C) Results

The texture was found to be very pleasant, non-sticky and light.

After application to the hair, the foam gives discipline, a strong reduction in frizz. The hair is soft, smooth and shiny.

Claims (1)

Claims [Claim 1] Aerosol device containing a cosmetic composition comprising: - one or more anionic surfactant (s) of the sarcosinate type, - one or more fatty alcohol (s), and - one or more propellant (s) chosen from compressed gases. [Claim 2] Aerosol device according to claim 1, characterized in that the anionic surfactant (s) of the sarcosinate type are chosen from alkyl (C6-C ₃ o) sarcosinates of formula (I) below: RC (O) -N (CH ₃ ) - CH ₂ -C (O) -OX with - X denoting a hydrogen atom, an ammonium ion, an ion derived from an alkali or alkaline earth metal or an ion derived from an organic amine, preferably a hydrogen atom , and - R denoting a linear or branched alkyl group, from 6 to 30 carbon atoms. [Claim 3] Aerosol device according to claim 2, characterized in that R denotes a linear or branched alkyl group of 8 to 24 carbon atoms, preferably of 12 to 20 carbon atoms. [Claim 4] Aerosol device according to any one of claims 2 or 3, characterized in that the anionic surfactant (s) of the sarcosinate type are chosen from sodium lauroylsarcosinate, stearoyl sarcosine, myristoyl sarcosine, and their mixtures. [Claim 5] Aerosol device according to any one of the preceding claims, characterized in that the total content of the anionic surfactant (s) of sarcosinate type ranges from 0.05 to 10% by weight, preferably from 0.1 to 5% by weight, more preferably from 0.2 to 3% by weight, relative to the total weight of the composition. [Claim 6] Aerosol device according to any one of the preceding claims, characterized in that the fatty alcohol or alcohols are chosen from solid fatty alcohols, and their mixtures, preferably from saturated or unsaturated solid fatty alcohols, linear or branched, comprising from 8 with 40 carbon atoms, better among the linear saturated solid fatty alcohols having from 8 to 40 carbon atoms and their mixtures. [Claim 7] Aerosol device according to any one of the preceding claims, characterized in that the fatty alcohol (s) are chosen from cetyl alcohol, stearyl alcohol, behenyl alcohol, myristic alcohol and mixtures thereof. [Claim 8] Aerosol device according to any one of the preceding claims, characterized in that the weight ratio between the total content of the fatty alcohol (s) and the total content of the anionic surfactant (s) of sarcosinate type ranges from 1.5 to 10, preferably from 2 to 8, more preferably from 3 to 7, even more preferably from 4 to 6. [Claim 9] Aerosol device according to any one of the preceding claims, characterized in that the total content of the fatty alcohol (s) ranges from 0.05 to 10% by weight, preferably from 0.1 to 8% by weight, more preferably from 1 at 5% by weight, relative to the total weight of the composition. [Claim 10] Aerosol device according to any one of the preceding claims, characterized in that the propellant (s) are chosen from air, nitrogen, carbon dioxide, and their mixtures, preferably carbon dioxide. [Claim 11] Aerosol device according to any one of the preceding claims, characterized in that the total content of the propellant (s) ranges from 0.5 to 10% by weight, preferably from 1 to 5% by weight, more preferably from 1.5 at 4% by weight, relative to the total weight of the composition. [Claim 12] Device according to any one of the preceding claims, characterized in that the carbon dioxide content chosen as propellant ranges from 0.5 to 10% by weight, preferably from 1 to 5% by weight, more preferably from 1.5 at 4% by weight, relative to the total weight of the composition. [Claim 13] Aerosol device according to any one of the preceding claims, characterized in that said cosmetic composition further comprises one or more fatty substances different from fatty alcohols, preferably one or more liquid fatty substances different from fatty alcohols, preferably in a total content ranging from 0.05 to 10% by weight, preferably from 0.1 to 5% by weight relative to the total weight of the composition. [Claim 14] Aerosol device according to any one of the preceding claims, characterized in that said cosmetic composition also comprises one or more fixing polymer (s), preferably in a total content ranging from 0.05 to 10% by weight, preferably from 0.1 to 5% by weight, relative to the total weight of the composition. [Claim 15] Aerosol device according to any one of the preceding claims, characterized in that the said cosmetic composition also comprises one or more powder (s), preferably in a total content ranging from 0.05 to 10% by weight, preferably from 0, 1 to 5% by weight, relative to the total weight of the composition. [Claim 16] Device according to any one of the preceding claims, characterized in that the cosmetic composition also comprises water, preferably in a content preferably ranging from 10 to 99% by weight, preferably from 30 to 98% by weight, better from 50 to 97% by weight, better still from 80 to 96% by weight relative to the total weight of the composition. [Claim 17] Process for the cosmetic treatment of keratin fibers, in particular human keratin fibers such as the hair, comprising a step of application to said keratin fibers of a cosmetic composition sprayed from an aerosol device as defined in any one of the preceding claims. [Claim 18] Use of a cosmetic composition sprayed from an aerosol device according to any one of claims 1 to 16 for the shaping and / or conditioning of keratin fibers, in particular human keratin fibers such as the hair. FRENCH REPUBLIC