Abstract: The present invention relates to a fiber-dyeing agent (A) prepared by mixing two components (A1) and (A2), said agent being characterized in that component (A1) contains at least one compound of formula (I) wherein X denotes a halogen atom, a methoxy group or an ethoxy group; Y denotes an oxygen atom, a sulfur atom or a selenium atom; R1 and R2 are equal or different and independently of each other denote hydrogen, a halogen atom, a (C1-C4)-alkyl group, a halogen-substituted (C1-C4)-alkyl group, a (C1-C4)-alkoxy group, a nitro group, an acetamido group or an NRaRb group, wherein the Ra and Rb groups are equal or different and independently of each other denote hydrogen, a (C1-C4)-alkyl group, an optionally substituted aromatic carbon ring or a (C1-C4)-alkanecarbonyl group, or Ra and Rb together with the nitrogen atom form a heterocyclic (C3-C6) group, and component (A2) contains at least one compound from the group consisting of amines, aminonitrobenzenes and phenols; to a method for dyeing

Abstract: A semipermanent hair dye composition comprising (A) a direct dye, (B) a hydrocarbon oil and (C) polyoxyalkylene-modified dimethyl polysiloxane. The semipermanent hair dye composition can uniformly dye hair without coloring the scalp and skin and gives the hair an excellent feel after hair coloring.

Abstract: Provided is a hair dye composition comprising a direct dye (1): A—CR1═N—NR2—B X−  (1) [wherein, A represents a group (2) or (3): (in which, R3, R4 and R5 each independently represents a (substituted) C1-6 alkyl group, ring C may have a substituent or may by cyclocondensed with an aromatic ring, R6 and R7 each independently represents a (substituted) C1-6 alkyl group, or may be coupled to form a heterocycle together with the adjacent nitrogen atom, Z represents a (substituted) C1-4 divalent linear hydrocarbon group and ring D may be cyclocondensed with an aromatic ring), B represents a (substituted) aromatic group, R1 represents H or a (substituted) C1-6 alkyl group, R2 represents H or a (substituted) C1-6 alkyl group or a (substituted) aromatic group or may form a heterocycle together with the C atom of the aromatic ring B, and X− represents an anion].

Abstract: The object of the invention is a preparation for dyeing fibers, especially hair, which is prepared before use by mixing an acidic component (A1), containing at least an enamine of formula (I) or its acid addition salt of Formula (Ia) with an alkaline component (A2), containing at least one carbonyl compound and at least one primary amine, as well as a method for temporarily dyeing fibers, by means of which the coloration, obtained with the aforementioned dyeing preparation, is removed once again at any later time by a sulfite-containing decolorizing agent.

Abstract: The invention relates to cationic aminodianthraquinones containing at least one cationic group Z, Z being chosen from quaternized aliphatic chains, aliphatic chains containing at least one quaternized saturated ring and aliphatic chains containing at least one quaternized unsaturated ring, their use as direct dye in compositions for dyeing keratinous materials, in particular human keratinous fibers such as hair, the dyeing compositions containing them, as well as the dyeing methods using them.

Abstract: The invention relates to a ready-to-use composition for dyeing keratin fibers, and in particular human keratin fibers such as the hair, comprising, in a medium which is suitable for dyeing, at least one suitably selected cationic direct dye and at least one nitrobenzene direct dye, as well as to the dyeing process using this composition.

Abstract: A coloring system for hair and/or skin comprises at least three separately packaged components: a) a thio compound capable of breaking the S—S bond between cysteine residues, and an alkaline reagent; b) a material and/or extract obtainable from the mucuna plant; and c) an oxidizing agent.

Abstract: Compositions for oxidation dyeing keratin fibers, such as human keratin fibers like hair, comprising, in a dyeing medium, (1) at least one oxidation dye, (2) at least one fatty alcohol comprising more than twenty carbon atoms, (3) optionally at least one fatty alcohol having at most twenty carbon atoms, (4) at least one oxyalkylenated nonionic surfactant with an HLB greater than 5, and (5) optionally at least one oxyalkylenated surfactant with an HLB at most equal to 5, in a proportion such that the weight ratio [(4)]/[(2)+(3)+(5)] is less than or equal to 1:1. Processes comprising such oxidation dyeing compositions.

Abstract: The object of the present invention is a preparation for coloring fibers, which is prepared before use by mixing an acidic component (A1), containing at least one enamine of Formula (I)/(Ia) with a component (A2), containing a Schiff's base of Formula (II) as well as a method for temporarily coloring fibers, for which the coloration, obtained with the aforementioned coloring agent, can be removed once again at any time by a sulfite-containing decolorizing agent.

Abstract: The object of the present invention is an agent for dyeing fibers obtained by mixing two components and characterized in that one component (component A2) contains at least one carbonyl compound and the other component (component A1) contains at least one indoline derivative of formula (I) or a 3H-indoline derivative of formula (Ia) as well as a multicomponent kit for dyeing and later decolorizing fibers, said kit containing both an agent according to the invention for producing a coloration on the fiber and an agent for the reductive removal of said coloration.

Abstract: The aqueous or aqueous-alcoholic oxidative dye precursor composition includes 1,4-diamino-2-methoxymethylbenzene, or a physiologically compatible salt thereof, as developer substance and one or more conventional coupler compounds. A ready-to-apply hair dyeing mixture having a pH of 6 to 10.5 is made by mixing the aqueous or aqueous-alcoholic oxidative dye precursor composition with an oxidizing agent, such as 6% hydrogen peroxide in a weight ratio of 5:1 to 1:3. The compositions may also contain conventional cosmetic additive ingredients and direct-dyeing dye compounds.

Abstract: Provided is a hair dye composition comprising a direct dye (1): A—CR1═N—NR2—B X−  (1) [wherein, A represents a group (2) or (3): (in which, R3, R4 and R5 each independently represents a (substituted) C1-6 alkyl group, ring C may have a substituent or may by cyclocondensed with an aromatic ring, R6 and R7 each independently represents a (substituted) C1-6 alkyl group, or may be coupled to form a heterocycle together with the adjacent nitrogen atom, Z represents a (substituted) C1-4 divalent linear hydrocarbon group and ring D may be cyclocondensed with an aromatic ring), B represents a (substituted) aromatic group, R1 represents H or a (substituted) C1-6 alkyl group, R2 represents H or a (substituted) C1-6 alkyl group or a (substituted) aromatic group or may form a heterocycle together with the C atom of the aromatic ring B, and X− represents an anion].

Abstract: Cationic aminoanthraquinones in which at least one cationic charge is delocalized on a 5-membered unsaturated polynitrogen-containing heterocycle, their use as a direct dye in dyeing compositions for keratinous materials, in particular for human keratinous fibers such as hair, dyeing compositions containing them, and dyeing methods using these compositions.

Abstract: The invention relates to novel monobenzene oxidation bases containing at least one cationic group Z, Z being chosen from aliphatic chains containing at least one quaternized unsaturated ring, to their use for the oxidation dyeing of keratin fibers, to dye compositions containing them and to oxidation dyeing processes using them.

Abstract: This invention relates generally to the use, for example in the cosmetics field and in particular for the treatment and styling of the hair, of an aqueous dispersion of particles of the nucleus/casing (core/shell) type containing compounds with reactive silyl functions, as well as to a process for treatment and a process for styling of the hair using such an aqueous dispersion. The dispersions and particles also make up a part of this invention, as do their methods of manufacture.

Abstract: A method for permanently dyeing hair which comprises subjecting said hair to a number of treatments, having a set time interval between each two consecutive such treatments, wherein each treatment comprises steps a.) and b.

Abstract: Provided is a hair dye composition containing a direct dye (1), (2) or (3). This hair dye composition has markedly high hair dyeing power, has less color fade over time and undergoes a small change in the color tone of the dye even after storage. wherein, R1 represents a (substituted) aryl group, R2, R4 to R6, R8 and R9 each represents H, a (substituted) C1-6 alkyl group or a (substituted) aryl group, R3 and R7 each represents a (substituted) aryl group, R10 to R12 each represents a (substituted) C1-6 alkyl or (substituted) aryl group, rings A to G each represents a benzene ring which may be substituted by a (substituted) amino group, (substituted) C1-6 alkyl group, C1-6 alkoxy group or halogen atom or may further be cyclocondensed with a benzene ring, and X− represents an anion.

Abstract: The invention relates to a composition for dyeing keratin fibers, in particular human keratin fibers such as the hair, comprising at least one cationic direct dye of given formula and at least one thickening polymer chosen from nonionic guar gums, biopolysaccharide gums of microbial origin, gums derived from plant exudates, pectins, alginates, starches, and carboxyalkylcelluloses. The invention also relates to the dyeing processes and dyeing devices using the composition.

Abstract: The present patent application relates to 3-(2,5-diaminophenyl)acrylamide derivatives of general formula (I) or to physiologically tolerated, water-soluble-salts thereof 1

Abstract: Provided is a hair dye composition containing a direct dye (1) or (2). The hair dye composition has markedly high hair dyeing power, has less color fade over time and undergoes a smaller change in the color tone of the dye after storage. [R1, R2 and R3 are the same or different and each independently represents a C1-3 alkyl group and benzene ring A or B may contain a nondissociative substituent].

Abstract: The invention relates to a dye composition for keratin fibers, in particular for human keratin fibers such as the hair, having, in a medium suitable for dyeing, at least one cationic direct dye of given formula, and containing at least one specific cationic or amphoteric substantive polymer. The invention also relates to the dyeing processes and devices using the composition.

Abstract: 1,4-Diamino-2-alkenylbenzene derivatives of general formula (I) or physiologically tolerated water-soluble salts thereof 1

Abstract: The present invention relates to dyeing compositions containing, in a medium appropriate for dyeing, at least one oxidation dye precursor and/or one or more couplers, a ketose as reducing agent and at least one laccase as oxidizing agent, to the use of the compositions for the oxidation dyeing of keratin fibers, and in particular human keratin fibers such as the hair, to dyeing processes using the compositions, and to dyeing kits using the compositions.

Abstract: The invention relates to novel monobenzene oxidation bases containing at least one cationic group Z bearing at least one quaternary ammonium unit which may or may not be cyclized, to their use for the oxidation dyeing of keratin fibers, to dye compositions containing then and to oxidation dyeing processes using them.

Abstract: The invention relates to cationic aminodianthraquinones containing at least one cationic group Z, Z being chosen from quaternized aliphatic chains, aliphatic chains containing at least one quaternized saturated ring and aliphatic chains containing at least one quaternized unsaturated ring, their use as direct dye in compositions for dyeing keratinous materials, in particular human keratinous fibers such as hair, the dyeing compositions containing them, as well as the dyeing methods using them.

Abstract: A hair dye composition containing a direct dye (1) wherein, R1, R2 represents H or a lower alkyl group, A represents a group (2) or (3) and wherein B represents a group —Z1, —NR8—Z1 or —CH=Z2.

Abstract: The invention concerns a ready-to-use oxidation composition for dyeing keratinous fibres, in particular human keratinous fibres such as hair comprising, in a medium suitable for dyeing, at least one oxidation colouring agent, at least an acid direct colouring agent comprising in its structure at least a sulphonic function or at least a carboxylic function, and at least an enzyme such as laccase, as well as the dyeing method using said composition.

Abstract: The invention relates to a composition for dyeing keratinous fibres, in particular human keratinous fibers such as hair, comprising, in an appropriate dyeing medium, at least one cationic direct dye of a given formula, and which is characterized in that it contains, in addition, at least one anionic surfactant chosen from the group consisting of acyl isethionates, acyl taurates, sulphosuccinates, acyl sarcosinates, acyl glutamates, polyoxyalkylenated ether carboxylic acids and their salts, fatty glucamide sulphates, alkyl galactoside uronates, anionic derivatives of alkyl polyglucosides and mixtures thereof. The invention also relates to the dyeing methods and devices using it.

Abstract: A shaped body is provided that contains from 5 weight percent to 80 weight percent of at least one disintegration auxiliary, and from 5 weight percent to 40 weight percent of at least one thickener. The shaped body is particularly useful for forming cosmetic preparations such as hair coloring preparations.

Abstract: The invention relates to a composition for dyeing keratin fibers, in particular human keratin fibers such as the hair, comprising at least one cationic direct dye of given formula and at least one thickening polymer chosen from nonionic guar gums, biopolysaccharide gums of microbial origin, gums derived from plant exudates, pectins, alginates, starches, and carboxyalkylcelluloses. The invention also relates to the dyeing processes and dyeing devices using the composition.

Abstract: The invention relates to a ready-to-use composition for dyeing keratin fibers, and in particular human keratin fibers such as the hair, comprising, in a medium which is suitable for dyeing, at least one cationic direct dye and at least one auto-oxidizable dye, as well as to the dyeing process using this composition.

Abstract: A shaped body is provided for preparing coloring compositions and for coloring keratin fibers. The shaped body contains at least one synthetic substantive dye. The shaped body is placed in a composition containing water to form a coloring composition that can be applied to keratin fibers.

Abstract: The invention relates to novel methylene-dioxybenzenes comprising at least one cationic group Z, Z being chosen from quaternized aliphatic chains, aliphatic chains comprising at least one quaternized saturated ring and aliphatic chains comprising at least one quaternized unsaturated ring, to their use as oxidation dye precursors for the oxidation dyeing of keratin fibres, to dye compositions containing them and to oxidation dyeing processes using them.

Abstract: A composition for straightening and relaxing hair, contains, by weight, about 0.1-10% of at least one cationic dye, about 1-7% of an alkali relaxer, about 7-25% of an emulsifier, about 10-32% of an emollient, about 5-15% of a moisturizer, about 0.5-3% of a conditioning agent and about 35-55% of water.

Abstract: Provided is a hair dye composition containing a direct dye (1). This hair dye composition has markedly high hair dyeing power, has less color fade over time and undergoes a small change in the color tone of the dye even after storage. wherein, rings A and B represents a benzene ring which may have a substituent and may further be cyclocondensed with another aromatic ring, D and E each independently represents a group NR3 (in which R3 represents a C1-6 alkyl group) or an S atom, R1 and R2 each independently represents a C1-6 alkyl group, and X− represents an anion.

Abstract: Couplers for hair coloring compositions for oxidative dyeing of hair are compounds of the formula (1): 1

Abstract: The present invention relates to the use, for dyeing keratin fibers, of at least one aliphatic cationic amine and of at least one compound chosen from an aldehyde, a ketone, a quinone and a diiminoisoindoline or 3-aminoisoindolone derivative, in order to obtain, by reaction without an oxidizing agent, a coloration of the said keratin fibers. The invention also relates to dye compositions comprising these compounds and to dyeing agents for using them.

Abstract: The present invention relates to the use, for dyeing keratin fibres, of at least one heterocyclic cationic amine and of at least one compound chosen from an aldehyde, a ketone, a quinone and a diiminoisoindoline or 3-aminoisoindolone derivative, in order to obtain, by reaction without an oxidizing agent, a coloration of the said keratin fibres. The invention also relates to dye compositions comprising these compounds and to dyeing agents for using them.

Abstract: In the present invention there is provided a single-step process and composition of hair bleach, which can simultaneously lighten the hair up to seven levels and effectively neutralize any undesirable warmth, provide natural tones or deposit fashion shades. This is achieved by including in the bleach mixture a solution containing basic dye molecules, which in the present invention have been found to be both, stable in the bleach, and capable of depositing the desired amount of tone on the hair. The dyes fall into the class of water-soluble basic azo compounds.

Abstract: The invention relates to a direct dye composition for keratin fibers, in particular for human keratin fibers such as the hair, comprising, in a medium which is suitable for dyeing and which is free of oxidases or oxidoreductases, at least one cationic direct dye of given formula and at least one specific polyol and/or polyol ether. Subjects of the invention are also the dyeing processes and devices/kits using the said composition.

Abstract: The invention relates to dyeing compositions comprising a combination of two specific cationic dyes and not containing a self-oxidizing agent, to the use of the compositions as direct dyes in dyeing applications for keratin fibers, and in particular human keratin fibers such as the hair, to direct dyeing processes using the compositions, and to dyeing devices using the compositions.

Abstract: Pigmentation of human skin and/or hair is promoted by administering to individuals in need of such treatment, advantageously topically, an effective tyrosinase activity-stimulating amount of at least one 6-substituted pyrimidine 3-oxide having the structural formula (I): 1

Abstract: A composition, process for preparation and use of a novel hair dyeing composition in the personal care industry. The composition when used in the dyeing process for hair results in a permanent coloration to the hair and improves manageability of the hair and minimizes damage from dyeing process. The use of zwitterionic compounds, specifically alkylmidopropyl dimethyl betaines provide unexpected penetration of the hair by the dye, unexpected oxidative stability in the dye compopsitions, and unexpected color deposition to the hair.

Abstract: Dibenzenic ortho-phenylenediamines comprising at least one cationic group Z, Z being chosen from quaternized aliphatic chains, aliphatic chains comprising at least one quaternized saturated ring, and aliphatic chains comprising at least one quaternized unsaturated ring, to their use as oxidation base, coupler or autooxidizable dye for the oxidation dyeing of keratin fibers, to dye compositions containing them, and to oxidation dyeing processes using them.

Abstract: The invention relates to a dye composition for keratin fibers, in particular for human keratin fibers such as the hair, comprising at least one cationic direct dye of given formula and at least glycerol and/or one specific polyol and/or polyol ether. The invention also relates to the dyeing processes and devices using this composition.

Abstract: The invention concerns a composition for dyeing keratin fibres, in particular human keratin fibres such as hair comprising at least one pyrazolin-4,5-dione of formula (I) and at least one aromatic primary amine. Said composition enables R the dyeing of keratin fibres without an oxidising agent in shades which are strong, varied, resistant and less selective than those of prior art. The invention also concerns dyeing methods and devices using said composition.

Abstract: A dye composition for keratin fibres comprising, at least one direct dye to be mixed at the time of use, at a basic pH, with an oxidizing agent, and characterized in that it has a basic pH and in that it contains, as direct dye, at least one dye containing an optionally delocalizable quaternized nitrogen atom and a -Z=N- bond in which Z denotes a nitrogen atom or a -CH- radical. The use of the composition and the multi-compartment dyeing kits, for the dyeing of keratin fibres, in particular the hair and more particularly human hair, are also discussed.

Abstract: Formulations for coloring keratinous fibers are provided, comprising a substantive dye, an aminopolycarboxylic acid or salt thereof with a physiologically compatible cation, and isoascorbic acid or a salt thereof with a physiologically compatible cation. Also provided are methods of coloring keratinous fibers with the formulations.

Abstract: The invention relates to a composition for the oxidation dyeing of keratin fibers, and in particular human keratin fibers such as the hair, having, in a medium suitable for dyeing, at least one oxidation base and at least one specific cationic dye as direct dye, as well as to the dyeing process using this composition.

Abstract: Compositions for oxidation dyeing keratin fibers, such as human keratin fibers like hair, comprising, in a dyeing medium, (1) at least one oxidation dye, and (2) a combination comprising at least one cyclohomopolymer of dialkyldiallylammonium and at least one other particular quaternary polyammonium. Processes comprising such oxidation dyeing compositions.