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 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: A composition comprising at least one coupler chosen from 2-chloro-6-methyl-3-aminophenol and addition salts thereof, at least one oxidation base and at least one associative polymer comprising at least one C8-C30 fatty chain; the use of the composition for the oxidation dyeing of keratin fibres; the dyeing process using this composition; and multi-compartment devices comprising the composition.

Abstract: The present disclosure relates to a process for dyeing human keratin materials having a lightening effect, applying to the materials a composition comprising, in a cosmetically acceptable medium, at least one fluorescent dye having the following formula: The present disclosure also relates to at least one fluorescent dye, to a composition comprising the at least one fluorescent dye, and to a multi-compartment kit comprising the said composition.

Abstract: The present invention relates to a composition for dyeing a keratinous fiber, comprising, a) at least one oxidation base or direct dye or a mixture thereof, b) at least one particular polycarboxylic acid compound or a salt thereof, and c) at least one suitable medium. The invention also relates to a ready-to-use composition comprising the above-mentioned composition and an oxidizing composition including at least one oxidizing agent in a suitable medium for dyeing.

Abstract: A dye composition comprising at least one mixed dye comprising at least two chromophore chosen from azine and (hetero)aromatic nitro compounds, optionally associated with at least one chromophore chosen from methine and carbonyl compounds; a process for dyeing keratin fibers, for example, human keratin fibers, such as the hair, using the composition, a multi-compartment device comprising the composition; and the abovementioned mixed dyes.

Abstract: The present disclosure relates to a composition for oxidation dyeing keratin fibers, for instance, human keratin fibers such as the hair, comprising 2-chloro-6-methyl-3-aminophenol as a coupler, para-phenylenediamine or para-tolylenediamine as at least one first oxidation base, N,N-bis(?-hydroxyethyl)-para-phenylenediamine or 2-(?-hydroxyethyl)-para-phenylenediamine as at least one second oxidation base, and at least one associative thickening polymer. The present disclosure also relates to a multi-compartment device or kit for the oxidation dyeing of keratin fibers comprising the compositions disclosed herein, and to the dyeing process using these compositions.

Abstract: The invention relates to novel diaminopyrazole having formula (I), wherein: R1, R2, identical or different, represent a C3 C5 mono- or polyhydroxyalkyl, isopropyl, n-propyl or ethyl group, said groups being linear or branched, and their physiologically acceptable salts. The invention also relates to a composition for dyeing keratinous fibres containing a compound having formula (I) and the method for using same.

Abstract: Disclosed herein are a dye composition comprising at least one mixed dye comprising at least one chromophore chosen from chromophores of the azo family and the tri(hetero)arylmethane family; and the mixed dyes. Further disclosed herein are a process for dyeing keratin fibers, such as human keratin fibers, using the composition, and a device comprising the composition.

Abstract: The invention relates to a composition useful for the oxidation dyeing of keratin fibres, in particular of human keratin fibres and more particularly the hair, containing, in a medium that is suitable for dyeing, at least one oxidation dye, wherein it also comprises at least one polyoxyalkylenated carboxylic acid ether or a salt thereof, at least one mono- or polyglycerolated surfactant and at least one fatty alcohol (C8-C30) comprising at least one unsaturation. The invention also relates to the dyeing devices and processes using the said composition.

Abstract: The present invention relates to a dye composition including at least one mixed dye containing at least one chromophore of methine or carbonyl type or their combinations. The invention furthermore relates to a process for dyeing keratin fibers, especially human keratin fibers, such as the hair, using the composition, and also to a suitable kit. The invention also relates to the abovementioned mixed dyes per se.

Abstract: Disclosed herein are novel heteroaromatic binuclear direct dyes, dye compositions containing these dyes and also a process for dyeing keratin fibers using them. In particular, the invention relates to heteroaromatic binuclear direct dyes comprising a pyridine nucleus. With these novel dyes, black shades that show good fastness can be obtained, and they also may show good stability in dye compositions.

Abstract: The present disclosure relates to cationic diazo dye compounds of formula (I): Dye1-LK-Dye2, ??(I) dye compositions comprising the direct dye compounds, and also to a process for dyeing keratin fibers using this composition and a multi-compartment kit.

Abstract: The invention relates to novel diaminopyrazole compounds having formula (I): wherein R1 represents a linear or branched C4-C5 alkyl or n-propyl group, or a linear or branched C3-C5 mono or polyhydroxy alkyl group, and the addition salts thereof with a physiologically acceptable acid. The invention also relates to the compositions containing such a compound for the dyeing of keratinous fibres and the method for using said compositions.

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 a cationic diazo compound of formula (I): Dye1-LK-Dye2 wherein Dye1 and Dye2 are such that the compound of formula (I) is not symmetrical, and are chosen from: The disclosure also relates to dye compositions comprising compounds of formula (I) as direct dye, and further relates to a process for dyeing keratin fibers using the compositions disclosed herein and also to a multi-compartment device.

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 disclosure relates to cationic diazo compounds chosen from those of formula (I) and the acid addition salts thereof: Dye1-LK-Dye2 (I); and to dye compositions comprising the the compounds as direct dye, and also to a process for dyeing keratin fibers using this composition and a multi-compartment device.

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 disclosure relates to a composition for oxidation dyeing keratin fibers, for instance human keratin fibers such as the hair, comprising 2-chloro-6-methyl-3-aminophenol as at least one coupler, para-aminophenol as at least one first oxidation base, 3-methyl-4-aminophenol as at least one second oxidation base, and an associative thickening polymer. The present disclosure also relates to a multi-compartment device or kit for the oxidation dyeing of keratin fibers comprising the compositions disclosed herein, and to the dyeing process using these compositions.

Abstract: The invention relates to a composition comprising a pyrazine derivative and to methods using said compositions as an optical bleach and/or dye in a direct or oxidation dyeing composition for keratin fibers, such as human keratin fibers, for example, hair. The invention also relates to methods of making said compositions and to a multicompartment device for dyeing and/or optical bleaching containing the claimed composition.

Abstract: The method for simultaneously dyeing and permanent shaping of hair includes winding hair strands onto curlers; mixing a dye component (B) containing 1 to 10 percent by weight of one or more dye compound and an amount of a keratin-reducing substance with a shaping component (A) containing from 6 to 15% by weight of the keratin-reducing substance in a weight ratio of from about 1:1 to 1:10 to form a dyeing and shaping composition, which necessarily contains from 5 to 18% by weight of the keratin-reducing substance; then allowing the hair with the dyeing and shaping composition to act on the hair for an acting time sufficient for permanent shaping; after that, allowing a fixing composition to act on the hair for 1 to 40 minutes and then subsequently rinsing the hair. The dye component (B) contains 4,5-diaminopyrazole derivatives and certain aminophenol derivatives.

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 present invention relates to a composition for dyeing keratin fibers, comprising, in a medium that is suitable for dyeing, a) at least one oxidation base and/or at least one direct dye, and b) at least one particular hydroxycarboxylic acid or a salt thereof. The invention also relates to a ready-to-use composition comprising the above-mentioned composition and an oxidizing agent. The invention also relates to a process for dyeing keratin fibers, in which a composition according to the invention and optionally an oxidizing composition, these compositions being mixed extemporaneously before use or applied successively, are applied to the said fibers; the composition(s) is(are) left on the fibers for a time that is sufficient to obtain the desired coloration; the fibers are rinsed to remove therefrom the composition according to the invention and optionally the oxidizing composition; the fibers are optionally washed, they are rinsed after each washing, and are optionally dried.

Abstract: Disclosed herein are a method of dyeing or coloring, with a lightening effect, a human keratin material comprising applying a composition comprising, in a cosmetically acceptable medium, at least one fluorescent compound and at least one optical brightener; a composition comprising, in a cosmetically acceptable medium, at least one fluorescent compound and at least one optical brightener which are both soluble in the medium; and a device using such a composition comprising at least two compartments, wherein at least one comprises, in a cosmetically acceptable medium, a composition comprising at least one fluorescent compound and at least one optical brightener and optionally at least one additional ingredient chosen from direct dyes, oxidation bases and couplers, and at least one other compartment comprises a composition comprising at least one oxidizing agent.

Abstract: The present invention relates to a composition for coloring keratin fibers and a method of use thereof. The coloring composition contains at least one phosphate-based tenside of a particular formula, at least one conditioning component, and at least one dye and/or dye precursor.

Abstract: The disclosure relates to a composition comprising at least one fluorescent dye and at least one non-associative thickening polymer, to processes using such a composition, and to devices comprising such a composition. The disclosure also relates to processes and methods for dyeing human keratin materials, for example artificially dyed or pigmented hair and dark skin, with a lightening effect, using compositions comprising at least one fluorescent dye and at least one non-associative thickening polymer.

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: A hair dye contains the powder of a poly-element mineral to improve the coloring and colorfastness of the hair dye.

Abstract: The subject of the invention is a composition for the oxidation dyeing of keratinous fibers, in particular human hair, comprising an oxidation base of the para-phenylenediamine type, substituted with a diazacycloheptane radical. The invention also relates to the method for dyeing fibers using this composition, and the novel compounds of the type mentioned above.

Abstract: Disclosed herein is a dye composition for dyeing human keratin fibers, such as the hair, comprising a direct polycationic dye of formula (I) below: Col-Z-Col??(I) in which Col, which may be identical or different, is a noncationic dye chosen from azo dyes, methine dyes, azomethine dyes, phenothiazine dyes, triarylmethene dyes, xanthene dyes, phenanthridine dyes, and phthalocyanin dyes; and Z is chosen from linear and branched, saturated and unsaturated C1-C20 hydrocarbon-based groups comprising at least one nitrogen atom and bearing at least two cationic charges, and also to processes for dyeing human keratin fiber using said composition, to the use of the dyes of formula (I) as direct dyes, and to multi-compartment devices.

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: The invention relates to a dye composition that is useful for dyeing keratin fibers, containing at least one oxidation base and at least one coupler of the 6-alkoxy-2,3-diaminopyridine type in which the amino radical in position 2 is a disubstituted amino radical, to the use of this composition for dyeing keratin fibers and to the dyeing process using this composition. The invention also relates to novel 6-alkoxy-2,3-diaminopyridine compounds that are useful as couplers.

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 invention relates to a composition for the oxidation dyeing of keratin fibres, in particular of human keratin fibres and more particularly the hair, containing, in a medium that is suitable for dyeing, at least one oxidation dye, wherein it also contains at least one polyoxyalkylenated carboxylic acid ether or a salt thereof, at least one associative polymer and at least one fatty alcohol (C8–C30) comprising at least one unsaturation. The invention also relates to the dyeing devices and processes using the said composition.

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: The invention relates to a cosmetic dyeing composition that is used to lighten human keratinous matter and, more specifically, artificially colored or pigmented hair and dark skin. The inventive composition comprises at least one flourescent dye. The invention also relates to the methods using said composition.

Abstract: Disclosed herein are compositions comprising at least one fluorescent dye and at least one particular associative polymer, processes using this composition, and a device therefor. Further disclosed herein is the use of a composition comprising at least one fluorescent dye and at least one particular associative polymer for dyeing a human keratin material, such as artificially dyed or pigmented hair and dark skin, with a lightening effect.

Abstract: The invention relates to a composition useful for the oxidation dyeing of keratin fibres, in particular of human keratin fibres and more particularly the hair, comprising, preferably in a medium that is suitable for dyeing, at least one oxidation dye, wherein it also comprises at least one polyoxyalkylenated carboxylic acid ether or a salt thereof, and at least one quaternized cellulose comprising at least one fatty chain. The invention also relates to the dyeing devices and processes using the said composition.

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: Disclosed herein are compositions comprising at least one fluorescent dye and at least one polyol, processes using this composition and a device therefor. Further disclosed herein is the use of a composition for dyeing a human keratin material, such as artificially dyed or pigmented hair and dark skin, with a lightening effect, comprising at least one fluorescent dye and at least one polyol.

Abstract: The invention relates to a dye composition comprising a direct dye consisting of different chromophores, the dye having a particular L*a*b* value. The invention also relates to the dyeing process using this composition and to the use of this composition for dyeing keratin fibers. These compositions in particular make it possible to obtain particularly fast colorations.

Abstract: The present disclosure relates to a method of dyeing human keratin materials with a lightening effect with a composition comprising, in a cosmetically acceptable medium, at least one fluorescent dye that is soluble in the cosmetically acceptable medium and at least one surfactant chosen from amphoteric surfactants and nonionic surfactants. The present disclosure also relates to compositions comprising at least one particular fluorescent dye that is soluble in the cosmetically acceptable medium and at least one surfactant chosen from amphoteric surfactants and nonionic surfactants, and also to processes using these compositions, and devices for these compositions.

Abstract: The invention concerns a composition for dyeing keratinous fibres, in particular human keratinous fibres and more particularly hair, comprising, in a medium suitable for dyeing, at least an oxidation dye, at least a C12–C30 fatty alcohol, at least an oxyalkylene or polyglycerol C12–C30 fatty alcohol and further 2 to 15 wt. % and preferably 5 to 10 wt. % of a mixture of glycerine (A) and a polyol other than glycerine (B) in an (A)/(B) weight ratio >1. The invention also concerns dyeing methods and devices using said composition.

Abstract: A process for dyeing keratin fibers that have previously undergone a permanent reshaping process, comprising applying at least one composition comprising, in a cosmetically acceptable medium, at least one fluorescent dye that is soluble in the medium. The use of the at least one composition may makes it possible to dye a human keratin material, and further, for example, artificially dyed or pigmented hair, with a lightening effect.

Abstract: The present disclosure relates to a cosmetic composition comprising at least one fluorescent dye comprising at least one fluorescent compound, and at least one cationic polymer with a charge density of at least 1 meq/g; processes that incorporate this cosmetic composition and to a kit comprising this cosmetic composition. The present disclosure also relates to the process for dyeing human keratin materials, including artificially dyed or pigmented hair and dark skin, with a lightening effect, comprising applying to the keratin materials a cosmetic composition comprising at least one fluorescent dye comprising at least one fluorescent compound and at least one cationic polymer with a charge density of at least 1 meq/g.

Abstract: N-Aryl-4,5-diaminopyrazole of formula (I) or a physiologically compatible salt thereof of an organic or inorganic acid wherein R1 and R2 independently of each other denote a hydrogen atom, a straight-chain or branched C1–C6-alkyl group, a hydroxyl group, a straight-chain or branched C1–C6-monohydroxyalkyl group, a straight-chain or branched C3–C6-dihydroxyalkyl group, a straight-chain or branched C1–C6-alkoxy group, a straight-chain or branched C1–C6-hydroxyalkoxy group, a straight-chain or branched C3–C6-dihydroxyalkoxy group, an amino group, a C1–C4-monoalkylamino group, a di(C1–C4)-alkylamino group, a halogen atom, a difluoromethyl group or a trifluoromethyl group; Y stands for a nitrogen atom or a C-R3 group, wherein C is a carbon atom of the aromatic ring and R3 is a hydrogen atom, a halogen atom, a straight-chain or branched C1–C6-alkyl group, a straight-chain or branched C1–C6-hydroxyalkyl group, a straight-chain or branched C1–C6-alkoxy group, a straight-chain or branched C2-C6-hydroxyalkoxy grou