Dye composition comprising nonionic guar gum or a nonionic derivative thereof, process and device for the same

Abstract

The present invention relates to a composition for dyeing human keratin fibers such as the hair, in mousse form, comprising: (a) at least one oxidation dye precursor; (b) at least one amphoteric or zwitterionic surfactant; (c) at least a second surfactant chosen from nonionic and anionic surfactants, or mixtures thereof; (d) at least one fatty substance; (e) at least one nonionic guar gum. The invention also relates to a process for dyeing human keratin fibers, in which is applied a composition preferably in foam form, obtained by mixing the above mentioned composition, free of oxidizing agent other than atmospheric oxygen, with a composition comprising at least one oxidizing agent other than atmospheric oxygen, and also to a suitable multi-compartment device.

Claims

1. A composition for dyeing human keratin fibers comprising: at least one oxidation dye precursor; at least one amphoteric or zwitterionic surfactant; at least one second surfactant chosen from nonionic surfactants, anionic surfactants, or mixtures thereof; at least one fatty substance other than ceramides chosen from liquid petroleum jelly, C6-C16 alkanes, polydecenes, or esters of fatty acids or of fatty alcohols, which are liquid, or mixtures thereof; and at least one nonionic guar gum chosen from modified nonionic guar gums modified with C1-C6 hydroxyalkyl groups.

2. The composition according to claim 1, wherein the at least one oxidation dye precursor is chosen from oxidation bases.

3. The composition according to claim 1, wherein the at least one oxidation dye precursor is chosen from diaminodiazacyclopentene derivatives.

4. The composition according to claim 1, wherein the at least one oxidation dye precursor is chosen from diaminopyrazolone compounds of formula (I), and salts thereof: ##STR00018## wherein: R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be identical or different, are chosen, independently of each other, from: a hydrogen atom; a linear or branched C.sub.1-C.sub.10, optionally substituted with one or more groups chosen from OR.sub.5, NR.sub.6R.sub.7 and carboxy groups, sulfonic, carboxamido CONR.sub.6R.sub.7 and sulfonamido SO.sub.2NR.sub.6R.sub.7 groups, aliphatic heterocycles, aryls optionally substituted with one or more group(s) chosen from C.sub.1-C.sub.4 alkyl, hydroxyl, C.sub.1-C.sub.2 alkoxy, amino and (di)(C.sub.i-C.sub.2)alkylamino groups; an aryl group optionally substituted with one or more group(s) chosen from C.sub.1-C.sub.4 alkyl, hydroxyl, C.sub.1-C.sub.2 alkoxy, amino and (di)(C.sub.2-C.sub.2)alkylamino groups; or a 5- or 6-membered heteroaryl group, optionally substituted with one or more group(s) chosen from C.sub.1-C.sub.4 alkyl and C.sub.1-C.sub.2 alkoxy groups; R.sub.5, R.sub.6 and R.sub.7, which may be identical or different, are chosen from: a hydrogen atom; a linear or branched C.sub.1-C.sub.4 alkyl group, optionally substituted with one or more group(s) chosen from hydroxyl, C.sub.1-C.sub.2 alkoxy, carboxamido CONR.sub.8R.sub.9, and sulfonyl SO.sub.2R.sub.8 groups, aryl optionally substituted with a C.sub.1-C.sub.4 alkyl, hydroxyl, C.sub.1-C.sub.2 alkoxy, amino or (di)(C.sub.i-C.sub.2)alkylamino group; an aryl group optionally substituted with one or more group(s) chosen from C.sub.1-C.sub.4 alkyl, hydroxyl, C.sub.1-C.sub.2 alkoxy, amino and (di)(C.sub.i-C.sub.2)alkylamino groups; a carboxamido CONR.sub.8R.sub.9 group; or a sulfonyl SO.sub.2R.sub.8 group; R.sub.8 and R.sub.9, which may be identical or different, are chosen from: a hydrogen atom; or a linear or branched C.sub.1-C.sub.4 alkyl group, optionally substituted with one or more group(s) chosen from hydroxyl and C.sub.1-C.sub.2 alkoxy groups; R.sub.1 and R.sub.2, on the one hand, and R.sub.3 and R.sub.4, on the other hand, may also form, together with the nitrogen atom(s) to which they are attached, a saturated or unsaturated 5- to 7-membered heterocycle, which is optionally substituted or N-substituted with one or more group(s) chosen from halogen atoms, amino, (di)(C.sub.1-C.sub.4)alkylamino, (di)hydroxy(C.sub.1-C.sub.2)alkylamino, hydroxyl, carboxy, carboxamido, (di)(C.sub.1-C.sub.2)alkylcarboxamido and C.sub.1-C.sub.2 alkoxy groups and C.sub.1-C.sub.4 alkyl groups optionally substituted with one or more groups chosen from hydroxyl, amino, (di)alkylamino, alkoxy, carboxy and sulfonyl groups; the said heterocycles formed by R.sub.1 and R.sub.2, on the one hand, and R.sub.3 and R.sub.4, on the other hand, with the nitrogen atom(s) to which they are attached, possibly being identical or different, and the ring members forming the said heterocycles possibly being chosen from carbon, nitrogen and oxygen atoms.

5. The composition according to claim 1, wherein the at least one oxidation dye precursor is chosen 2,3-diamino-6,7-dihydro-1H, 5H-pyrazolo[1,2-a]pyrazol-1-one and salts thereof.

6. The composition according to claim 1, wherein the at least one oxidation dye precursor is chosen diaminopyrazole compounds of formula (II), and salts thereof: ##STR00019## wherein: R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5, which may be identical or different, are chosen from: a hydrogen atom; a C.sub.1-C.sub.6 alkyl radical which is unsubstituted or substituted with at least one substituent chosen from OR, NHR, NRR, SR, SOR, SO.sub.2R, COR, COOH, CONH.sub.2, CONHR, CONRR', PO(OH).sub.2, SH, SO.sub.3X, a non-cationic heterocycle, CI, Br or I, X denoting a hydrogen atom, Na, K or NH.sub.4, and R and R, which may be identical or different, representing a C.sub.1-C.sub.4 alkyl or alkenyl; a C.sub.2-C.sub.4 hydroxyalkyl radical; a C.sub.2-C.sub.4 aminoalkyl radical; a phenyl radical; a phenyl radical substituted with a halogen atom or a C.sub.1-C.sub.4 alkyl, C.sub.1-C.sub.4 alkoxy, nitro, trifluoromethyl, amino or C.sub.1-C.sub.4 alkylamino radical; a benzyl radical; a benzyl radical substituted with a halogen atom or with a C.sub.1-C.sub.4 alkyl, C.sub.1-C.sub.4 alkoxy, methylenedioxy or amino radical; a radical ##STR00020## wherein: m and n are equal to integers, which may be identical or different, range from 0 to 3, X is chosen from an oxygen atom or an NH group, Y is chosen from a hydrogen atom or a C.sub.1-C.sub.4 alkyl radical, and Z is: a methyl radical when n is equal to 0, or Z is chosen from a C.sub.1-C.sub.4 alkyl radical or a group OR or NRRwhen n is greater than or equal to 1, R as defined above, and R and R, which may be identical or different, are chosen from a hydrogen atom or a C.sub.1-C.sub.4 alkyl radical; R.sub.6 is chosen from a C.sub.1-C.sub.6alkyl radical; a C.sub.1-C.sub.4 hydroxyalkyl radical; a C.sub.1-C.sub.4 aminoalkyl radical; a (C.sub.1-C.sub.4)alkylamino(C.sub.1-C.sub.4)alkyl radical; a di(C.sub.1-C.sub.4)alkylamino(C.sub.1-C.sub.4)alkyl radical; a hydroxy(C.sub.1-C.sub.4)alkylamino(C.sub.1-C.sub.4)alkyl radical; a (C.sub.1-C.sub.4)alkoxymethyl radical; a phenyl radical; a phenyl radical substituted with a halogen atom or with a (C.sub.1-C.sub.4)alkyl, (C.sub.1-C.sub.4)alkoxy, nitro, trifluoromethyl, amino or (C.sub.1-C.sub.4)alkylamino radical; a benzyl radical; a benzyl radical substituted with a halogen atom or with a (C.sub.i-C.sub.4)alkyl, (C.sub.1-C.sub.4) alkoxy, nitro, trifluoromethyl, amino or (C.sub.1-C.sub.4)alkylamino radical; a heterocycle chosen from thiophene, furan and pyridine, or else a (CH.sub.2).sub.pO(CH.sub.2).sub.qOR radical, wherein p and q are integers, which may be identical or different, range from 1 to 3, and R as defined above; wherein at least one of the radicals R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represents a hydrogen atom.

7. The composition according to claim 1, wherein the at least one oxidation dye precursor is chosen from 4,5-diamino-1-(2-hydroxyethyl)-1H-pyrazole and salts thereof.

8. The composition according to claim 1, wherein the composition comprises at least one oxidation dye precursor chosen from couplers.

9. The composition according claim 1, wherein the at least one amphoteric or zwitterionic surfactant is chosen from derivatives of optionally quaternized aliphatic secondary or tertiary amines, where the aliphatic group of the derivative is a linear or branched chain comprising from 8 to 22 carbon atoms, the said amine derivatives comprising at least one anionic group.

10. The composition according to claim 9, wherein the at least one amphoteric or zwitterionic surfactant is chosen from: (C.sub.8-C.sub.20)alkylbetaines, (C.sub.8-C.sub.20)alkylsulfobetaines, (C.sub.8-C.sub.20)alkylamido(C.sub.3-C.sub.8)alkylbetaines, (C.sub.8-C.sub.20)alkylamido(C.sub.6-C.sub.8)alkylsulfobetaines, the compounds of formula (B1):
R.sub.aC(O)NHCH.sub.2CH.sub.2N.sup.+(R.sub.b)(R.sub.c)CH.sub.2C(O)O.sup., M.sup.+, X.sup.(B1) wherein: R.sub.a is chosen from a C.sub.10-C.sub.30 alkyl or alkenyl group derived from an acid R.sub.aCOOH, heptyl, nonyl or undecyl group; R.sub.b is a -hydroxyethyl group; and R.sub.c is a carboxymethyl group; M.sup.+is chosen from a cationic counterion derived from an alkali metal or alkaline-earth metal or an ammonium ion or an ion derived from an organic amine; and X.sup.is chosen from an organic or mineral anionic counterion chosen from halides, acetates, phosphates, nitrates, (C.sub.1-C.sub.4)alkyl sulfates, (C.sub.1-C.sub.4)alkyl- or (C.sub.1-C.sub.4)alkylarylsulfonates, or mixtures thereof; or alternatively M.sup.+and X.sup.are absent; the compounds of formula (B2) below:
R.sub.aC(O)NHCH.sub.2CH.sub.2N(B)(B )(B2) wherein: B is the group CH.sub.2CH.sub.2OX; B is the group (CH.sub.2).sub.zY, with z equal to an integer 1 or 2; X is chosen from the groups CH.sub.2C(O)OH, CH.sub.2C(O)OZ, CH.sub.2CH.sub.2C(O)OH, CH.sub.2CH.sub.2C(O)OZ, or a hydrogen atom; Y is chosen from the groups C(O)OH, C(O)OZ, CH.sub.2CH(OH)SO.sub.3H or CH.sub.2CH(OH)SO.sub.3Z; Z is chosen from a cationic counterion derived from an alkali metal or alkaline-earth metal, an ammonium ion or an ion derived from an organic amine; and R.sub.a, is chosen from a C.sub.10-C.sub.30 alkyl or alkenyl group of an acid R.sub.aC(O), an alkyl group, or an unsaturated C.sub.17 group, or the compounds of formula (B2) below:
R.sub.aNHCH(Y)(CH.sub.2)nC(O)NH(CH.sub.2)nN(R.sub.d)(R.sub.e)(B2) wherein: Y is chosen from C(O)OH, C(O)OZ, CH.sub.2CH(OH)SO.sub.3H or CH.sub.2CH(OH)SO.sub.3Z; R.sub.d and R.sub.e are chosen from, independently of each other, C.sub.1-C.sub.4 alkyl or hydroxyalkyl radical; Z is chosen from a cationic counterion derived from an alkali metal or alkaline-earth metal; R.sub.a is chosen from a C.sub.10-C.sub.30 alkyl or alkenyl group of an acid R.sub.aC(O); and n and n, independently of each other, are integers ranging from 1 to 3.

11. The composition according to claim 1, wherein the at least one second surfactant is chosen from: oxyalkylenated (C.sub.8-C.sub.24)alkylphenols; saturated or unsaturated, linear or branched, oxyalkylenated or glycerolated C.sub.8-C.sub.30 alcohols; saturated or unsaturated, linear or branched, oxyalkylenated C.sub.8-C.sub.30 amides; esters of saturated or unsaturated, linear or branched, C.sub.8-C.sub.30 acids and of polyethylene glycols; esters of saturated or unsaturated, linear or branched, C.sub.8-C.sub.30 acids and of sorbitol, which are preferably oxyethylenated; fatty acid esters of sucrose; (C.sub.8-C.sub.30)alkylpolyglycosides, (C.sub.8-C.sub.30)alkenylpolyglycosides, which are optionally oxyalkylenated (0 to 10 oxyalkylene units) and which comprise 1 to 15 glucose units, (C.sub.8-C.sub.30)alkylglucoside esters; saturated or unsaturated, oxyethylenated plant oils; condensates of ethylene oxide and/or of propylene oxide, inter alia, alone or as mixtures; N-(C.sub.8-C.sub.3o)alkylglucamine derivatives and N-(C.sub.8-C.sub.3o)acylmethylglucamine derivatives; aldobionamides; amine oxides; oxyethylenated and/or oxypropylenated silicones; or mixtures thereof.

12. The composition according to claim 1, wherein the at least one second surfactant is chosen from alkyl sulfates, alkyl ether sulfates, alkylamido ether sulfates, alkylaryl polyether sulfates, monoglyceride sulfates, alkyl sulfonates, alkylamide sulfonates, alkylaryl sulfonates, alpha-olefin sulfonates, paraffin sulfonates, alkyl sulfosuccinates, alkyl ether sulfosuccinates, alkylamide sulfosuccinates, alkyl sulfoacetates, acyl sarcosinates, acyl glutamates, alkyl sulfosuccinamates, acyl isethionates and N-acyl taurates; salts of alkyl monoesters of polyglycoside-polycarboxylic acids, acyl lactylates, salts of D-galactosideuronic acids, salts of alkyl ether carboxylic acids, salts of alkylaryl ether carboxylic acids, salts of alkylamido ether carboxylic acids, or the corresponding non-salified forms thereof, the alkyl and acyl groups of all these compounds comprising from 6 to 40 carbon atoms, and the aryl group denoting a phenyl group; optionally oxyethylenated and comprising from 1 to 50 ethylene oxide units.

13. The composition according to claim 1, further comprising at least one aminoalkane sulfonic or sulfonothioic acid or a salt thereof, an amide derivative thereof or a functional analogue thereof chosen from the compounds of formula (A) or (B) below: ##STR00021## wherein: R is a hydrogen; Y is S or O; X is chosen from hydrogen, a cation M.sup.p+of valency p, and an organic amine; Z is chosen from hydrogen, a cation M.sup.p+of valency p, and an organic amine; n is an integer greater than or equal to 2; and p is an integer greater than or equal to 1.

14. The composition according to claim 13, wherein in formulae (A) and (B): R is chosen from hydrogen, a linear C.sub.1-C.sub.4 alkyl radical and methyl; p is 1 or 2; n is 2 or 3; X is chosen from hydrogen, a cation M.sup.p+chosen from alkali metals (K+, Na+), alkaline-earth metals (Mg .sup.2+, Ca .sup.2+) and ammonium ion; and Z is chosen from hydrogen, a cation M.sup.p+chosen from alkali metals (K+, Na+), alkaline-earth metals (Mg .sup.2+, Ca .sup.2+) and ammonium ion.

15. The composition according to claim 13, comprising at least one of taurine, N-methyltaurine, thiotaurine, homotaurine, hypotaurine, or salts or mixtures thereof.

16. The composition according to claim 1, wherein the composition comprises at least one compound of ceramide type.

17. The composition according to claim 16, wherein the at least one compound of ceramide is chosen from the compounds of formula (C): ##STR00022## wherein: R.sub.10 is chosen from: i) a linear or branched, saturated or unsaturated C.sub.1-O.sub.50 hydrocarbon-based radical, optionally substituted with one or more hydroxyl groups optionally esterified with an acid R.sub.15COOH, wherein R.sub.15 is a saturated or unsaturated, linear or branched, optionally mono- or polyhydroxylated C.sub.1-C.sub.35 hydrocarbon-based radical, the hydroxyl group(s) of the radical R.sub.15 optionally esterified with a saturated or unsaturated, linear or branched, optionally mono- or polyhydroxylated C.sub.1-C.sub.35 fatty acid; ii) a radical R(NRCO).sub.qR, with R chosen from a hydrogen atom or a mono- or polyhydroxylated C.sub.1-C.sub.20 hydrocarbon-based radical, R and R are hydrocarbon-based radicals comprising from 9 to 30 carbon atoms, R is a divalent radical, and q is equal to 0 or 1; or iii) a radical R.sub.16OCO(CH.sub.2).sub.p, where R.sub.16 denotes a C.sub.1-C.sub.20 hydrocarbon-based radical and p is an integer ranging from 1 to 12; R.sub.11 is chosen from a hydrogen atom, a radical of saccharide type, a sulfate or phosphate residue, a phosphorylethylamine radical, or a phosphorylethylammonium radical, in which n is an integer ranging from 1 to 4, and m is an integer ranging from 1 to 8; R.sub.12 is chosen from a saturated or unsaturated, optionally hydroxylated C.sub.1-C.sub.33 hydrocarbon-based radical, the hydroxyl group(s) optionally esterified with a mineral acid or an acid R.sub.15COOH, wherein R.sub.15 is a saturated or unsaturated, linear or branched, optionally mono- or polyhydroxylated C.sub.1-C.sub.35 hydrocarbon-based radical, the hydroxyl group(s) optionally etherified with a (glycosyl).sub.n, (galactosyl).sub.m, sulfogalactosyl, phosphorylethylamine or phosphorylethylammonium radical, where R.sub.12 may be optionally substituted with one or more C.sub.1-C.sub.14 alkyl radicals; R.sub.13 is chosen from a hydrogen atom, a saturated or unsaturated, linear or branched, optionally hydroxylated C.sub.3-O.sub.50 non-alkoxylated hydrocarbon-based radical, or a radical R.sub.16OCO(CH.sub.2).sub.p, where R.sub.16 is a C.sub.1-C.sub.20 hydrocarbon-based radical and p is an integer ranging from 1 to 12; R.sub.14 is chosen from a hydrogen atom or a saturated or unsaturated, linear or branched, optionally mono- or polyhydroxylated C.sub.1-C.sub.30 hydrocarbon-based radical, the hydroxyl group(s) optionally etherified with a (glycosyl).sub.n, (galactosyl).sub.m, sulfogalactosyl, phosphorylethylamine or phosphorylethylammonium radical.

18. The composition according to claim 17, wherein the at least one compound of ceramide type is of formula (C) wherein R.sub.10 is a C.sub.12-C.sub.20 alkenyl chain comprising one or two double bonds; R.sub.11 is a hydrogen atom; R.sub.12 is an optionally hydroxylated linear C.sub.11-C.sub.17 radical; R.sub.13 is a C.sub.10-C.sub.20 alkyl group, and R.sub.14 is a hydrogen atom.

19. The composition according to claim 17, wherein the at least one compound of ceramide type is chosen from: 2-N-linoleoylaminooctadecane-1,3-diol, 2-N-oleoylaminooctadecane-1,3-diol, 2-N-palmitoylaminooctadecane-1,3-diol, 2-N-stearoylaminooctadecane-1,3-diol, 2-N-behenoylaminooctadecane-1,3-diol, 2-N-[2-hydroxypalmitoyl]aminooctadecane-1,3-diol, 2-N-stearoylaminooctadecane-1,3,4-triol and in particular N-stearoylphytosphingosine, 2-N-palmitoylaminohexadecane-1,3-diol; or mixtures thereof.

20. The composition according to claim 1, wherein the composition further comprises at least one oxidizing agent other than atmospheric oxygen.

21. The composition according to claim 20, wherein the at least one oxidizing agent other than atmospheric oxygen is in the form of a foam.

22. A process for dyeing keratin fibers, comprising: (a) preparing a cosmetic mixture by mixing: a dye composition comprising: at least one oxidation dye precursor; at least one amphoteric or zwitterionic surfactant; at least one second surfactant chosen from nonionic surfactants, anionic surfactants, or mixtures thereof; at least one fatty substance other than ceramides chosen from liquid petroleum jelly, C6-C16 alkanes, polydecenes, or esters of fatty acids or of fatty alcohols, which are liquid, or mixtures thereof; and at least one nonionic guar gum chosen from modified nonionic guar gums modified with C1-C6 hydroxyalkvl groups; with a composition comprising at least one oxidizing agent other than atmospheric oxygen; and (b) applying said mixture to said keratin fibers, wherein said mixture is in the form of a foam.

23. An aerosol device comprising: (a) a composition for dyeing human keratin fibers comprising: at least one oxidation dye precursor; at least one amphoteric or zwitterionic surfactant; at least one second surfactant chosen from nonionic surfactants, anionic surfactants, or mixtures thereof; at least one fatty substance other than ceramides chosen from liquid petroleum jelly, C6-C16 alkanes, polydecenes, or esters of fatty acids or of fatty alcohols, which are liquid, or mixtures thereof; and at least one nonionic guar gum chosen from modified nonionic guar gums modified with C1-C6hydroxyalkvl groups; and (b) a means for dispensing the composition in the form of a foam.

24. The aerosol device of claim 23, comprising either at least one container equipped with two pouches or at least two containers.

Description

EXAMPLE 1

(1) The following compositions are prepared (the amounts are expressed in g % of active material):

(2) Composition 1:

(3) TABLE-US-00001 Ingredients Content Resorcinol 0.5 Ethanolamine 2.824 Sodium laureth sulfate containing 2.2 OE 1.75 Hydroxypropyl guar 2.25 Ascorbic acid 0.5 N,N-Bis(2-hydroxyethyl)-p-phenylenediamine sulfate 0.073 m-Aminophenol 0.18 EDTA 0.2 2-Methylresorcinol 0.1 PEG-40 hydrogenated castor oil 1 2,4-Diaminophenoxyethanol hydrochloride 0.019 Cocoylbetaine 3 Sodium chloride 0.65 Sodium metabisulfite 0.5 Mineral oil (liquid paraffin) 60 2,5-Toluenediamine 0.6732 Water qs 100
Composition 2:

(4) TABLE-US-00002 Ingredients Content Caprylyl/capryl glucoside 1.8 Tetrasodium etidronate 0.06 Sodium salicylate 0.035 Glycerol 4 Hydrogen peroxide 6 Tetrasodium pyrophosphate 0.04 Phosphoric acid qs pH 2.2 Water qs
Application Method:

(5) The two compositions are mixed together at the time of use, for example in a shaker, in the following proportions: 9 g of composition 1 with 12 g of composition 2.

(6) The foam thus obtained is creamy. It is applied to locks of grey hair containing 90% white hairs, in a proportion of 10 g of mixture per 1 g of hair, for 30 minutes at room temperature (20 C.).

(7) The hair is then rinsed, washed with a standard shampoo and dried.

(8) A strong light chestnut colouring is obtained.

EXAMPLE 2

(9) The following compositions are prepared (the amounts are expressed in g % of active material):

(10) Composition 1:

(11) TABLE-US-00003 Ingredients Content Resorcinol 0.5 Ethanolamine 2.824 Sodium laureth sulfate containing 2.2 OE 1.75 Hydroxypropyl guar 2.25 Ascorbic acid 0.5 N,N-Bis(2-hydroxyethyl)-p-phenylenediamine sulfate 0.073 m-Aminophenol 0.18 EDTA 0.2 2-Methylresorcinol 0.1 PEG-40 hydrogenated castor oil 1 2,4-Diaminophenoxyethanol hydrochloride 0.019 Cocoylbetaine 3 Sodium chloride 0.65 Sodium metabisulfite 0.5 Mineral oil 60 Taurine 0.01 2,5-Toluenediamine 0.6732 Water qs 100%
Composition 2:

(12) TABLE-US-00004 Ingredients Content Caprylyl/capryl glucoside 1.8 Tetrasodium etidronate 0.06 Sodium salicylate 0.035 Glycerol 4 Hydrogen peroxide 6 Tetrasodium pyrophosphate 0.04 Phosphoric acid qs pH 2.2 Water qs 100%
Application Method:

(13) The two compositions are mixed together at the time of use in the following proportions: 9 g of composition 1+12 g of composition 2 and are applied to locks of grey hair containing 90% white hairs, in a proportion of 10 g of mixture per 1 g of hair, for 30 minutes.

(14) The hair is then rinsed, washed with a standard shampoo and dried.

(15) A light chestnut colouring is obtained.

EXAMPLE 3

(16) The following compositions are prepared (the amounts are expressed in g % of active material):

(17) Composition 1:

(18) TABLE-US-00005 Ingredients Content Resorcinol 0.5 Ethanolamine 2.824 Sodium laureth sulfate containing 2.2 OE 1.75 Hydroxypropyl guar 2.25 Ascorbic acid 0.5 N,N-Bis(2-hydroxyethyl)-p-phenylenediamine sulfate 0.073 m-Aminophenol 0.18 EDTA 0.2 2-Methylresorcinol 0.1 PEG-40 hydrogenated castor oil 1 2,4-Diaminophenoxyethanol hydrochloride 0.019 Cocoylbetaine 3 Sodium chloride 0.65 Sodium metabisulfite 0.5 Mineral oil 60 2-Oleamido-1,3-octadecanediol 0.01 2,5-Toluenediamine 0.6732 Water qs 100%
Composition 2:

(19) TABLE-US-00006 Ingredients Content Tetrasodium etidronate 0.06 Sodium salicylate 0.035 Glycerol 4 Hydrogen peroxide 6 Tetrasodium pyrophosphate 0.04 Phosphoric acid qs pH 2.2 Water qs 100%
Application Method:

(20) The two compositions are mixed together at the time of use in the following proportions: 9 g of composition 1+12 g of composition 2 and are applied to locks of grey hair containing 90% white hairs, in a proportion of 10 g of mixture per 1 g of hair, for 30 minutes.

(21) The hair is then rinsed, washed with a standard shampoo and dried.

(22) A light chestnut colouring is obtained.

EXAMPLE 4

(23) The following compositions are prepared (the amounts are expressed in g % of active material):

(24) Composition 1 and 1:

(25) TABLE-US-00007 Ingredients 1 1 p-Aminophenol 0.18886 0.46 EDTA 0.2 0.2 Ethanolamine 5.16 5.16 1-Hydroxyethyl-4,5-diaminopyrazole sulfate 1.58 2,3-Diamino-6,7-dihydro-1H,5H-pyrazolo(1,2- 0.8 a)pyrazol-1-one dimethanesulfonate 4-Amino-2-hydroxytoluene 1.3 0.81 Sodium laureth sulfate containing 2.2 OE 1.75 1.75 Hydroxypropyl guar 2.25 2.25 Ascorbic acid 0.5 0.5 PEG-40 hydrogenated castor oil 1 1 Cocoylbetaine 3 3 Sodium chloride 0.65 0.65 Sodium metabisulfite 0.5 0.5 Mineral oil 60 60 5-Amino-6-chloro-o-cresol 0.28 1-Methyl-2-hydroxy-4--hydroxyethylaminobenzene 0.4 2,5-Toluenediamine 0.4653 0.26 Water qs 100%
Composition 2:

(26) TABLE-US-00008 Ingredients Content Caprylyl/capryl glucoside 1.8 Tetrasodium etidronate 0.06 Sodium salicylate 0.035 Glycerol 4 Hydrogen peroxide 6 Tetrasodium pyrophosphate 0.04 Phosphoric acid qs pH 2.2 Water qs 100%

(27) Application Method:

(28) The two compositions 1 and 1 are mixed at the time of use with composition 2 in the following proportions: 9 g of composition 1 or 1 with 12 g of composition 2. The mixtures are then applied to locks of grey hair containing 90% white hairs, in a proportion of 10 g of mixture per 1 g of hair, for 30 minutes.

(29) The hair is then rinsed, washed with a standard shampoo and dried.

(30) A deep red light chestnut colouring is obtained with the mixture of composition 1 and of composition 2, and a coppery-red light chestnut colouring is obtained with the mixture of composition 1 and of composition 2.