Abstract: This application relates to a dye composition for dyeing keratin fibers, for example human keratin fibers, such as hair, comprising, in an appropriate dyeing medium, at least one aldehyde precursor, at least one enzyme able to generate an aldehyde from the at least one aldehyde precursor and at least one heteroaromatic hydrazone. This application also concerns a method for dyeing keratin fibers using the dye composition, and a dye “kit” containing the dye composition.

Abstract: Disclose herein is a composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising at least one oxidation base chosen from diamino-N,N-dihydropyrazolones and addition salts thereof, at least one coupler, and at least one heterocyclic direct dye. Also disclosed herein is a method for dyeing keratin fibers comprising applying a composition of the present disclosure to the keratin fibers. The compositions and methods of the present disclosure may make it possible to obtain fast coloration of keratin fibers that is resistant to light and/or to washing.

Abstract: An oxidative dye composition comprising one or more oxidative dyes, at least one glyceryl ester, and at least one surfactant, a method for coloring hair, and a method for coloring First Grays and hair that has been chemically processed with a mild, easy to use, hair color.

Abstract: Disclosed herein is a dyeing composition comprising a particular disulphide dye and a method of dyeing human keratin fibers, such as hair, using this composition. This composition makes it possible to obtain particularly fast chromatic colorations.

Abstract: Disclosed herein is a composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising at least one oxidation base chosen from diamino-N,N-dihydropyrazolones and the addition salts thereof, at least one coupler, and at least one surfactant chosen from (C8-C30)alkyl ether carboxylic acids and salts thereof, (C12-C30)alkyl polyglucosides, monoglycerolated surfactants, and polyglycerolated surfactants. Also disclosed herein is a method for dyeing keratin fibers comprising applying a composition in accordance with the present disclosure to the keratin fibers. The compositions and methods of the present disclosure may makes it possible to obtain fast coloration of keratin fibers that is resistant to light and/or to washing.

Abstract: The present disclosure relates to a composition for dyeing keratin fibers, for instance human keratin fibers such as the hair, comprising at least one oxidation base chosen from diamino-N,N-dihydropyrazolone compounds and addition salts thereof, at least one coupler and at least one C4-C30 polyol. The present disclosure also relates to the dyeing process and kit using the composition as presently disclosed. Use of the present disclosure makes it, for example, possible to obtain fast coloration of keratin fibers that is resistant to light and to washing.

Abstract: The present disclosure relates to a composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising at least one oxidation base chosen from diamino-N,N-dihydropyrazolone compounds and addition salts thereof, at least one coupler and at least one associative polyurethane polymer, and also to a dyeing process and kit using such a composition. The present disclosure makes it possible, for instance, to obtain fast coloration of keratin fibers that is resistant to light and to washing.

Abstract: A first hair coloring agent composition is a hair coloring agent composition comprising (A) one or more compounds selected from the group consisting of p-phenylenediamine, toluene-2,5-diamine and their salts, (B) ?-naphthol and (C) resorcin (with the proviso that p-aminophenol is not contained), wherein the components (A) to (C) are contained in a total amount of 60 to 100% by weight when the total amount of dye components in the hair coloring agent composition is 100% by weight, and based on 1 part by weight of the component (A), the component (B) is contained in an amount of 0.1 to 1 part by weight, and the component (C) is contained in an amount of 0.45 to 1.5 parts by weight. A second hair coloring agent composition is a hair coloring agent composition further comprising (D) p-aminophenol in addition to the components (A) to (C), wherein the components (A) to (D) are contained in given amounts and in given weight ratios.

Abstract: The present disclosure is directed to a family of N-alkylheteroaryl secondary para-phenylenediamines, to their preparation, and to a cosmetic composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a suitable dyeing medium, at least one N-alkylheteroaryl secondary para-phenylenediamine. Further disclosed herein is a process of dyeing keratin fibers, a ready-to-use composition, and a kit comprising at least two compartments.

Abstract: The present disclosure relates to a family of double para-phenylenediamines joined by a linkage comprising an aromatic group and a process for the dyeing of keratin fibers. These double para-phenylenediamines of formula (I) can be used as oxidation base for the dyeing of keratin fibers. Also disclosed are methods of dyeing, methods of making, and dyeing “kits.

Abstract: The present application relates to a novel family of double para-phenylenediamines joined by a linker arm substituted with one or more carboxylic radicals and/or derivatives and to the use thereof for the dyeing of keratin fibres. These novel para-phenylenediamines are useful as oxidation bases for the dyeing of keratin fibres.

Abstract: A method for dyeing keratin-containing fibers, in particular, human hair comprising the steps of: (A) contacting the hair with a dyeing composition, comprising color-imparting components for a contact time Z1; (B) rinsing the hair a to remove the dying composition; (C) optionally drying the rinsed hair; (D) contacting at least a portion of the hair from step (B) or (C) with a lightening or nuancing agent comprising, in a cosmetic carrier, at least one thickener, hydrogen peroxide and at least one alkalinizing agent for a contact time Z2; and (E) rinsing the hair to remove the adjusting agent; wherein the dyeing composition comprises a color-imparting component comprising, (a) at least two oxidation dye precursors, where at least one oxidation dye precursor must be of the developer type or (b) at least two oxo dye precursors, where at least one oxo dye precursor must be a reactive carbonyl compound.

Abstract: Disclosed herein is a composition for the oxidation dyeing of keratin fibers, for example of human keratin fibers, such as the hair, containing, in a medium that is suitable for dyeing, a) at least one oxidation dye, b) at least one associative polymer, and c) at least one aminosilicone, wherein the at least one aminosilicone/at least one associative polymer weight ratio is greater than or equal to 1.

Abstract: The present disclosure relates to a novel dyeing composition for dyeing human keratinous fibers, such as hair, comprising at least one dicationic diazo dye of formula (I): [W1—N?N—W2—W3—(W4—W5)p-]2-L ??Formula (I) as well as the process for dyeing hair using same. Certain compounds of formula (I) are also disclosed herein.

Abstract: The present disclosure relates to double secondary para-phenylenediamine dye compounds. The present disclosure further relates to a dye composition comprising at least one double secondary para-phenylenediamine compound, a process for dyeing keratin fibers using the composition, and a kit for dyeing keratin fibers comprising a separate composition comprising an oxidizing agent.

Abstract: Disclosed herein are para-phenylenediamine compounds of formula (I), and their salts and solvates: wherein R1 and R2 form, together with the carbon atoms to which they are attached, a 4-, 5-, 6- or 7-membered ring, wherein the ring comprises carbon atoms and, optionally, one or two atoms chosen from oxygen and nitrogen, the ring being optionally substituted, with the proviso that when the ring comprises two atoms chosen from oxygen and nitrogen, these two atoms are non-adjacent. Compositions comprising these compounds and processes of making them, as well as processes and kits for dyeing keratin fibers are also disclosed.

Abstract: The present disclosure relates to novel secondary para-phenylenediamines having a carboxyl group. The present disclosure further relates to a dye composition comprising at least one secondary para-phenylenediamine for dyeing keratin fibers, such as human hair, a process for preparing the composition, and a process and kit for dyeing keratin fibers using the composition.

Abstract: The present invention is directed to a process and composition for dyeing hair, the composition containing: (a) greater than about 10% by weight, based on the weight of the composition, of at least one fatty acid alkanolamide; (b) at least one C6-C36 dicarboxylic acid; (c) at least one water soluble base capable of reacting with (b) to form a soap; (d) at least one conditioning polymer; (e) at least one oxidation dye; and (f) at least one oxidizing agent, wherein the composition is in cream form.

Abstract: The present invention relates to novel m-diaminobenzenes of formula (I) to the use thereof in colorants and to the oxidative hair colorants containing said m-diaminobenzenes.

Abstract: Disclosed herein are methods for dyeing keratin fibers, for example human keratin fibers such as hair, comprising applying to the keratin fibers a dye composition comprising, as a direct dye, at least one organosilane compound chosen from compounds of formula (I): Also disclosed herein are dye compositions for dyeing keratin fibers comprising at least one organosilane compound of formula (I) and at least one oxidation base.

Abstract: The present invention relates to 2-(amino or substituted amino)-5,6-substituted phenol compounds according to the Formula (I), as defined herein and compositions for the oxidative dyeing of keratin fibres, comprising a medium suitable for dyeing and a compound of the Formula (I).

Abstract: The present disclosure relates to novel N-alkylamino secondary para-phenylenediamines; a composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a medium suitable for dyeing, at least one such N-alkylamino secondary para-phenylenediamine; a process for dyeing keratin fibers comprising applying this composition; and the uses of this composition in the form of a dyeing “kit”.

Abstract: The present invention relates to 2-(amino or substituted amino)-3,5,6-substituted phenol compounds according to the Formula (I), as defined herein and compositions for the oxidative dyeing of keratin fibers, comprising a medium suitable for dyeing and a compound of the Formula (I).

Abstract: The present disclosure relates to a novel family of N-heteroaryl secondary para-phenylenediamines, to their preparation, to their use for dyeing the hair and to a dye composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a suitable dyeing medium, at least one heteroaryl secondary para-phenylenediamine. The disclosure also relates to the process using this composition, to its use and to the multi-compartment device and dyeing “kit”.

Abstract: The present invention relates to a composition for the oxidation dyeing of keratin fibers, for example of human keratin fibers such as the hair, containing, in a medium suitable for dyeing: a) at least one oxidation dye, b) at least one associative polymer, c) at least one nonionic cellulose-based compound not comprising a C8-C30 fatty chain, and d) at least one cationic polymer with a charge density of greater than 1 meq/g and not comprising a C8-C30 fatty chain.

Abstract: Disclosed herein is a composition for dyeing keratinous fibers, comprising at least one direct dye corresponding to the following formula (I): in which R1 and R2 may be chosen from hydrogen atoms; R3 may be a phenyl group, n may chosen from 0 and 1; R4 and R5 may be alkyl groups having 1 to 6 carbon atoms; R6 may be chosen from phenol groups and aniline groups; X and Y may represent nitrogen atoms, wherein the group —NR4R5 may occupy a position chosen from the 1-, 6-, 8-, and 9-position when n is equal to 1; and A is an anionic counterion. Further disclosed herein are methods for dyeing keratinous fibers using these direct dyes.

Abstract: Disclosed herein is a composition for the oxidation dyeing of keratin fibers, for example of human keratin fibers such as the hair, comprising, in a medium suitable for dyeing, a) at least one oxidation dye; b) at least one non-oxyalkylenated fatty alcohol; c) at least one associative polymer; and d) at least one amide of an alkanolamine and a C14-C30 fatty acid.

Abstract: The present invention relates to a cosmetic composition for dyeing keratin fibres, in particular human keratin fibres such as the hair, comprising, in a suitable dyeing medium, at least one hydroxyalkyl compound of general formula (I) below: and at least one cosmetic adjuvant according to the invention. The present invention also relates to a process for dyeing keratin fibres using these compositions based on hydroxyalkyl compounds, to a device with compartments and to the use of these compounds in hair dyeing.

Abstract: The disclosure relates to a composition for the oxidation dyeing of keratin fibers, for example human keratin fibers, such as hair, comprising, in an appropriate dyeing medium, at least one oxidation dye, at least one C10-C14 fatty alcohol and a cationic poly(vinyllactam), and to dyeing methods and devices using this composition.

Abstract: The present disclosure relates to novel secondary para-phenylenediamine compounds comprising N-alkylfluorine, to a process for preparing them, to a composition for dyeing keratin fibers, for example human keratin fibers such as the hair, comprising, in a medium that is suitable for dyeing, at least one secondary para-phenylenediamine compound comprising N-alkylfluorine as disclosed, to a process for dyeing keratin fibers with the disclosed compositions, and also to a dyeing “kit” comprising the dyeing compositions.

Abstract: The invention relates to agents for coloring fibers containing keratin, in particular, human hair, which comprise selected cationic, CH-acidic heterocycles according to formula I in which A, R1, R2 and X? are as defined in the application, in combination with reactive carbonyl compounds, to the use of this combination in agents for coloring fibers containing keratin, for freshening up the color or nuancing fibers containing keratin which have already been colored, and to a method of coloring fibers containing keratin, in particular, human hair.

Abstract: Disclosed herein are a composition for dyeing keratinous fibers, for example, human keratinous fibers such as hair, comprising at least one oxidation base chosen from diamino-N,N-dihydropyrazolone derivative and a method using the composition. Further disclosed herein are amino-N,N-dihydropyrazolone derivatives and the addition salts thereof and diamino-N,N-dihydropyrazolone derivatives and the addition salts thereof, as well as the methods for preparing these compounds.

Abstract: The present disclosure relates to compounds used as direct dyes, and dyeing compositions comprising such compounds. The disclosed compounds have the formula A-L-B, wherein A and B are chosen from arylazoimidazolium coloring functional groups, and L is a linker comprising at least one cationic group C. The disclosure also relates methods of using such compositions for coloring keratin fibers, such as the hair.

Abstract: The present invention relates to a composition for dyeing keratin fibres, and in particular human keratin fibres such as the hair, containing, in a support that is suitable for dyeing, at least one oxidation dye precursor, characterized in that it comprises at least one alcohol oxidase enzyme and at least one substrate for the said enzyme. This patent application also relates to a process for dyeing keratin fibres, which consists in applying this composition, and also to a dyeing “kit”.

Abstract: The present invention relates to a composition for dyeing keratinous fibers, containing at least one azodiazine direct dye corresponding to the following formula (I): The present invention also relates to a method for dyeing keratinous fibers using these direct dyes.

Abstract: The invention concerns novel diaminopyrazole derivatives of formula (I), wherein: R1 represents C1-C6 alkyl or C2-C6, preferably up to C4, alkenyl, linear or branched, bearing at least a substituent selected among OR, NHR, NRR?, SR, SO2R, COOH, CONH2, CONRR?, PO(OH)2, SH, SO3X, a non-cationic heterocycle, Cl, Br or I?; X represents H, Na, K or NH4; R and R?, identical or different, represent C1-C6 alkyl or C2-C6, preferably up to C4, alkenyl, linear or branched, unsubstituted or substituted by one or several functional groups selected among OH, NH2, OR, NHR, NRR?, SR, SOR, SO2R, COOH, CONH2, CONRR?, PO(OH)2, SH, SO3X, a non-cationic heterocycle, Cl, Br or I, X, R and R? having the definitions mentioned above; R2 represents H, or C1-C6 alkyl or C2-C6, preferably up to C4, alkenyl, linear or branched, unsubstituted or substituted by one or several functional groups selected among OH, NH2, OR, NHR, NRR?, SR, SOR, SO2R, COOH, CONH2, CONRR?, PO(OH)2, SH, SO3X, a non-cationic heterocycle, Cl, Br or I, X, R and R? h

Abstract: Keratinic fibers are colored by a two-component composition for coloring keratinous fibers comprising a first preparation (A) comprising at least one oxidation dye precursor and a second preparation (B) comprising at least one care component, wherein the two preparations are packaged separately from one another in the compartments of a two-compartment tube. The compartment openings in the tube are oriented in such a way that the contents of each of the compartments are emitted simultaneously into a common space.

Abstract: The disclosure relates to novel imidazole compounds which can be useful as couplers for the oxidation dyeing of keratinous fibers. The present disclosure also relates to a dyeing composition for dyeing keratinous fibers comprising at least one oxidation base and at least one coupler of the imidazole type as disclosed herein, and the dyeing method using this composition.

Abstract: A method for improving the dimensionality and fade resistance of oxidatively colored or lightened hair, a method for oxidatively coloring or lightening hair, a kit for use in practicing the method, and the related compositions.

Abstract: Disclosed are 2-(amino or substituted amino)-5-(substituted oxymethyl)-phenol compounds according to the Formula (I), as defined herein. Also, compositions for the oxidative dyeing of keratin fibers, comprising a medium suitable for dyeing and a compound of the Formula (II), as defined herein. The substituents of both formulae may themselves be substituted or unsubstituted. Further, methods for oxidative dyeing of keratin fibers, comprising applying such compositions in the presence of an oxidizing agent, for a period which is sufficient to develop the desired coloration.

Abstract: The present invention relates to a dye composition comprising, as direct dye, at least one dye of the azo-pyridinio-pyridone family and at least one synthetic dye different from the first dye. The invention also relates to a process for dyeing keratin fibers, e.g., human keratin fibers such as the hair, and to a multi-compartment device for implementing it.

Abstract: Keratin fibers are colored by an agent comprising a coupler which is a m-phenylenediamine derivative of the formula (I) wherein R1 is a C1–C4 alkyl group or a C1–C4 monohydroxyalkyl group; R2 is a methyl or an ethyl group; each of R3 and R4 is independently a branched or unbranched C2–C6 hydroxyalkyl group; and a cosmetically acceptable carrier. These couplers exhibit improved toxicological and dermatological properties and permit hair colorations in a broad color spectrum with good fastness properties.

Abstract: Disclosed herein is a composition for the oxidation dyeing of keratin fibers, for example human keratin fibers, such as the hair, comprising, in a medium suitable for dyeing, a) at least one oxidation dye; b) at least one fatty alcohol; c) at least one associative polymer; and d) at least one compound chosen from fatty acid esters and metal oxides.

Abstract: The subject of the invention is novel pyrazolo[3,2-c]-1,2,4-triazoles of formula (I) which are useful for the oxidation dyeing of keratinous fibers, in particular human hair, the compositions containing these compounds and the dyeing method using them. in which R1 represents a hydroxyl group or a C1–C4 alkyl group substituted with at least one hydroxyl radical, and R2 represents an aryl group which may be substituted with at least one radical chosen from the group consisting of halogen, nitro, cyano, alkyl, hydroxyl, alkoxy, amino, alkylamino, dialkylamino, acylamino, sulfonamido, alkylthio, alkoxycarbonyl, carboxy and sulfo radicals.

Abstract: The present invention relates to a composition for dyeing keratinous fibers, containing at least one azodiazine direct dye corresponding to the following formula (I): The present invention also relates to a method for dyeing keratinous fibers using these direct dyes.

Abstract: The invention concerns novel dyeing compositions for keratinous fibers comprising at least a paraphenylenediamine derivative with pyrrolidinyl group as oxidation base, a dyeing method and a dyeing kit using said composition.

Abstract: An oxidation dye composition for keratin fibres, for example, human keratin fibres such as the hair, comprising, in a medium which is suitable for dyeing, at least one oxidation dye precursor and at least one nonionic amphiphilic polymer containing at least one fatty chain and at least one hydrophilic unit. Also disclosed are processes and dyeing kits using the oxidation dye composition.

Abstract: The present disclosure relates to a composition for dyeing keratinous fibers, comprising at least one azodiazine direct dye aminated at the 7-position. The present disclosure also relates to a process for dyeing keratinous fibers using the direct dyes described herein.

Abstract: The present disclosure relates to a dyeing composition for human keratinous fibers, such as the hair, comprising, in a suitable dyeing medium, at least one oxidation dye, and at least one dicationic compound. The disclosure further relates to the dyeing methods and dyeing kit using the dye composition.

Abstract: A method for oxidatively coloring hair comprising applying to the hair fibers a first composition comprising at least one oxidative dye operable to color hair when reacted with an oxidizing agent, said first composition being free of such oxidizing agent and thereby inoperative, by itself, to color hair; removing said first composition from the hair but leaving residual oxidative dye in contact with the hair fibers; applying, for a time, and in an amount sufficient to color the hair, a second composition to the hair fibers comprising at least one oxidizing agent reactive with the at least one oxidative dye in contact with the hair fibers after removal of the first composition; and a kit for use in practicing the method.