Abstract: The invention relates to an agent for colouring fibres (A). Said agent is produced by mixing two constituents (A1) and (A2), and is characterised in that the constituent (A1) contains at least one quinonimine derivative of formula (I), and the constituent (A2) contains at least one compound from the group consisting of aromatic amines and phenols. The invention also relates to a method for colouring keratin fibres using the inventive agent.

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: This invention relates to a method for enzymatic treatment of proteinaceous fibres. According to the method protein fibre is contacted with an aqueous solution comprising tyrosinase enzyme under conditions suitable for the function of the enzyme. The tyrosinase enzyme may originate from various sources, such as from plant, animal or microbial origin. Proteinaceous fibre may comprise wool, wool fibre or animal hair or it may comprise silk, spidersilk or human hair.

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: 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 after storage. wherein, ring A may represents a benzene ring which may have a substituent or the like, B represents an aryl or heterocyclic group, D represents N or CR4 (wherein R4 represents H or alkyl), E represents NR5, CR6R7 or CR6═CR7 (wherein R5 represents alkyl or the like, and R6 and R7 each represents H or alkyl) or, O or S, R1 represents alkyl or the like, and n stands for 0 or 1, with the proviso that at n=0, R2 and R5 form, when taken together with N—C—C, a heterocycle, or R2 is bonded to B, thereby forming a heterocycle and at n=1, R2 and R3 form, when taken together with C═D—N, a heterocycle, and X− represents an anion.

Abstract: The invention concerns a process for the oxidative dyeing of human hair, whereby an aqueous composition having a pH-value between 7.0 and 12.0 is applied to the hair, wherein this Composition (AB) was obtained by admixture of an oxidation dyestuff precursor Composition (A), which comprises at least one developing and at least one coupling substance as well as at least one or more specific metal compounds, having an alkaline pH-value, with a hydrogen peroxide Composition (B), having a pH-value in the acidic range and comprising 0.05 & to 5.0% by weight, calculated to the total composition, of 1-hydroxyethane-1,1-diphosphonic acid and/or the alkali or ammonium salts thereof.

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 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 invention relates to hair dyes comprising good properties with regard to dyeing technology and hair care, which are based on cationic biopolymers, alkyl and/or alkenyl oligoglycosides and colorants, and to their use for dying keratin fibers.

Abstract: A method for synthesizing dyes excitable by a helium-neon laser (excitable at 633 nm) from hololepidines, e.g., 7-halolepidine, which dyes are suitable for detection and enumeration of reticulocytes in human blood samples. In another aspect, the invention provides a method for immunotyping phenocytes. The method is based on the phenomenon that when dyes of certain structure intercalate into DNA or RNA, the intensity of the dye increases. Dyes suitable for this invention can be described as having (a) a first heterocyclic moiety, (b) a second heterocyclic moiety, and (c) a linking group that connects the first and second heterocyclic moieties. Both the first and second heterocyclic moieties must contain at least two rings, preferably fused together. The dye is characterized by conjugation, whereby the first moiety is ethylenically conjugated to the second moiety.

Abstract: Compositions for oxidation dyeing of keratinous fibers, for example, human keratinous fibers such as hair, further such as human hair, comprising, in a medium suitable for dyeing, at least one oxidation dye, at least one cationic amphiphilic polymer comprising at least one fatty chain, and a combination comprising: (I) at least one compound chosen from oxyalkylenated and glycerolated fatty alcohols and (II) at least one hydroxylated solvent, wherein the hydroxylated solvent may have a molecular weight of less than 250, and wherein the weight ratio of (I) to (II) is greater than 1:1 and dyeing processes and devices, such as kits, comprising such compositions.

Abstract: New substituted 2,5-diamino-1-aminomethylbenzene compounds of formula (I), or physiologically compatible water-soluble salts thereof, are described as well as methods for preparing them. In addition, oxidation dye precursor compositions for dyeing keratin fibers, especially human hair, which each contain from 0.005 to 20 percent by weight of at least one of the new substituted 2,5-diamino-1-aminomethylbenzene compounds of formula (I), or their physiologically compatible water-soluble salts, are described. Methods for dyeing hair with ready-to-apply dye mixtures made by mixing these oxidation dye precursor compositions with an oxidizing agent, such as hydrogen peroxide solution, are also described.

Abstract: A ready-to-use composition for the oxidation dyeing of keratin fibers, and, in particular, human keratin fibers, such as the hair, having at least one oxidation dye, at least one oxidoreductase enzyme, and at least one specific salified or chemically modified chitosan, as well as to the oxidation dyeing process using this composition.

Abstract: Hair coloring compositions which comprise:

Abstract: The object of the invention is an agent for oxidatively dyeing keratin fibers, wherein it contains (a) at least one 4,5-diaminopyrazole derivative of Formula (I), (II) or (III) or its salt with organic or inorganic acids, 1

Abstract: A composition for coloring keratin fibers, containing an indoline, an indole, or a derivative thereof in combination with at least one amino acid or oligopeptide. The composition is useful for coloring human hair and restoring grey hair to its natural color. The formulation can be applied with atmospheric oxygen as the sole oxidizing agent.

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: The invention relates to a semi-permanent dye system comprising at least one solubilized vat dye, an aqueous carrier, and substantially no chemical oxidant.

Abstract: A pre-treatment of a process for coloring, such as with at least one coloring agent chosen from direct dyes and oxidation dyes, human keratin fibers such as human hair, of a composition comprising at least one particular aminosilicone as well as the processes for coloring, with, for example, at least one coloring agent chosen from direct dyes and oxidation dyes, human keratin fibers such as hair, comprising a pre-treatment with a composition comprising at least one particular aminosilicone. The compound itself for pre-treatment.

Abstract: A pre- or post-treatment composition for the process for bleaching human keratin fibers, such as hair, comprising at least one particular aminosilicone as well as processes for bleaching human keratin fibers, such as hair, comprising a pre- or post-treatment with a composition comprising at least one particular aminosilicone.

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: Compositions for the oxidation dyeing of keratin fibers, containing at least one oxidation base and at least one coupler chosen from indolizine derivative 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. Methods of using these cationic indolizine derivatives as couplers for the oxidation dyeing of keratin fibers, in combination with at least one oxidation base, and to dyeing processes using them. Some of these cationic indolizine derivatives are novel.

Abstract: A composition for dyeing keratinous fiber which includes incorporated therein an oxidative color-developing substance, an enzyme which reacts with oxygen as a substrate but does not evolve hydrogen peroxide, and a weak reducing agent.

Abstract: The invention relates to a cosmetic mixture for the oxidation tinting of keratin fibres, containing in a support material suitable for tinting keratin fibres (a) at least one laccase-type enzyme; (b) at least one polymer thickener selected from the group constituted by: (i) amphiphilic non-ionic polymers comprising at least one fatty chain and at least one hydrophilic unit; (ii) anionic amphiphilic polymers comprising at least one hydrophilic unit and at least one fatty chain unit; (iii) cross-linked acrylic acid homopolymers; (iv) cross-linked 2-acrylamide-2-methyl-propane sulfonic acid homopolymers and their cross-linked acrylamide copolymers, which are partially or fully neutralized; (v) ammonium acrylate homopolymers or ammonium acrylate and acrylamide copolymers; (vi) dimethylaminoethyl-methacrylate homopolymers quatemized by methyl chloride or dimethylaminoethyl-methacrylate copolymers quaternized by methyl chloride and acrylamide copolymers; (vii) non-ionic guar gums; (viii) scleroglucan gum (a biopoly

Abstract: Colorants for keratin fibers containing 1,3-diamino-4-heteroarylbenzene derivatives of general formula (I) or the physiologically tolerated salts thereof 1

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: Primary intermediates useful hair coloring systems comprise 2-arylaminomethyl-4-aminophenols. The invention provides new 2-arylaminomethyl-4-aminophenol compounds of Formula (1): wherein R is a moiety selected from formulae (2), (3) or (4) wherein R1, R2, R3, R4 and R5 are each independently selected from a hydrogen atom, a halogen atom, a hydroxy group, an amino group, a C1-C6 alkyl or haloalkyl group, a C1-C6 alkoxy or haloalkoxy group, and a nitrile group, and R6 is a hydrogen atom, a halogen atom, a C1-C4 alkyl or a C1-C4 alkoxy group.

Abstract: A hair colouring and/or bleaching composition comprising a peroxygen bleaching agent, an alkoxylated benzoic acid and an oxidative hair coloring agent. The hair colouring and/or bleaching compositions of the invention have excellent stability and provide improved overall hair colouring and/or bleaching performance.

Abstract: The method of dyeing keratin fibers includes the steps of providing an oxidation dye precursor composition containing from 0.01 to 10 percent by weight of a total amount of at least one coupler compound and at least one developer compound, mixing the oxidation dye precursor composition with an oxidizing agent and applying the resulting mixture to the keratin fibers. The oxidation dye precursor composition is characterized by containing 1,4-diamino-2-methoxymethylbenzene, or a physiologically compatible salt thereof, either alone as sole developer compound, or in combination with other known developer compounds. The oxidation dye precursor composition can also contain at least one direct-dyeing dye compound and conventional cosmetic additive ingredients.

Abstract: Methods and kits for lanthionizing keratin fibers to achieve relaxation of the keratin fibers, and methods and kits for re-waving keratin fibers comprising applying to keratin fibers a pretreatment composition comprising at least one reducing agent chosen from thiols, sulfites, and derivatives thereof, applying to the pretreated keratin fibers a composition comprising at least one hydroxide compound, and heating the keratin fibers.

Abstract: A method for reducing color loss from hair treated with an oxidative composition, such as an oxidative hair dye, the method comprising the step of contacting the hair, either prior to or after treatment of the hair with the oxidative composition, with a color protective composition comprising an organic amino compound selected from: (i) basic amino acids; (ii) urea; (iii) guanidine; (iv) salts and/or derivatives of any of (i) to (iii); (v) mixtures of any of (i) to (iv).

Abstract: The invention relates to a ready-to-use mixture for tinting keratin fibres, especially human keratin fibres such as hair, comprising in a support material suitable for tinting keratin fibres (a) at least one laccase-type enzyme; (b) at least one solvent selected from among certain polyols and their ethers or polyethers; and (c) at least one oxidation colorant. The invention also relates to the hair tinting method using said mixture.

Abstract: The present invention relates to a composition for dyeing keratin fibres, in particular human hair, containing, in a medium which is suitable for dyeing: as coupler, at least one compound of formula: or one of the addition salts thereof with an acid, in which: R2 denotes, in particular, hydrogen, halogen, alkoxy, aryloxy, acetylamido, etc. R1 and R3, which are independent, denote, in, particular: hydrogen, alkyl, aryl, a heterocycle, etc. it being understood that when R2 and R1 simultaneously represent a hydrogen atom, then R1 is other than a hydrogen atom, a C1-C5 alkyl radical or a phenyl radical; and at least one oxidation base.

Abstract: A two-part high aqueous-content system for oxidative coloration of hair utilizing a developer formulation of water, a peroxide oxidizer and an anionic acrylate/beheneth-25 methacrylate copolymer. The system has efficient conditioning properties and substantially less or no dry-out problems.

Abstract: The cationic dyes of formula (1) specified in claim 1 are suitable especially for colouring keratin-containing fibres, more especially for colouring hair.

Abstract: A hair dye composition comprises the following ingredients (A) and (B):

Abstract: The subject of the invention is a composition for the oxidation dyeing of keratinous fibers, and in particular human keratinous fibers such as hair, comprising at least one oxidation base and, as coupler, at least one 2-acylaminophenol of formula (I) comprising at least one cationic group Z of formula (II), their use as coupler for the oxidation dyeing of keratinous fibers, oxidation dyeing methods using them, as well as novel cationic 2-acylaminophenols of formula (I′).

Abstract: An alkaline hair bleaching composition comprising (a) from about 0.01% to about 12%, by weight, of at least one oxidizing agent; (b) from about 0.2% to about 20%, by weight, of a buffering system, present in an amount sufficient to generate a pH of the composition in the range from about 5 to about 11, wherein said buffering system comprises at least one pH modifying ingredient selected from the group consisting of (i) borates buffers, (ii) alkalizing agents, and mixtures thereof; (c) from about 150 ppm to about 5,000 ppm of at least one stabilizer; and (d) from about 0.01% to about 50%, by weight, of at least one hair care ingredient selected from the group consisting of (i) surfactants, (ii) catalysts, (iii) thickeners, (iv) conditioners, and mixtures thereof.

Abstract: A composition for coloring keratin fibers, containing an indoline, an indole, or a derivative thereof in combination with at least one amino acid or oligopeptide. The composition is useful for coloring human hair and restoring grey hair to its natural color. The formulation can be applied with atmospheric oxygen as the sole oxidizing agent.

Abstract: The invention concerns novel cationic 2-sulphonylaminophenols of formula (I) comprising at least a cationic group Z of formula (II), their use as coupler for oxidation dyeing of keratin fibers and in particular human keratin fibers such as hair, dyeing compositions containing them combined with at least an oxidation base, and oxidation dyeing methods using them.

Abstract: Compositions for oxidation dyeing of keratin fibers, and in particular of human keratin fibers such as the hair, comprising, in a medium which is suitable for dyeing, (i) at least one oxidation base, (ii) at least one coupler chosen from 2-substituted 5-aminoalkylphenol derivatives and the acid addition salts thereof, and (iii) at least one additional coupler chosen from meta-phenylenediamines, meta-aminophenols, meta-diphenols, heterocyclic couplers and the acid addition salts thereof, as well as dyeing processes using these compositions.

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 hair colouring composition or kit of parts comprises: a compound which is capable of acting as a substrate for endogenous transglutaminase in and/or on hair and which comprises a chromophore that is capable of absorbing and/or emitting light in the visible part of the electromagnetic spectrum; and a reducing agent. The composition may be used to colour hair.

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 dye composition for keratin fibers, in particular for human keratin fibers such as the hair, this composition 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 it.

Abstract: The invention relates to a ready-to-use composition for the oxidation dyeing of keratin fibres, and in particular human keratin fibres such as the hair, comprising, in a medium which is suitable for dyeing, at least one first oxidation base chosen from para-phenylenediamine derivatives, double bases, ortho-aminophenols and heterocyclic bases, at least one second oxidation base chosen from para-aminophenols, at least one meta-aminophenol as coupler and at least one enzyme of 2-electron oxidoreductase type in the presence of at least one donor for the said enzyme, and to the dyeing process using this composition.

Abstract: A two-part high aqueous-content system for oxidative coloration of hair utilizing an aqueous dye lotion formulation containing hydroxypropyl bisisosteramidopropyidimonium chloride conditioner, optionally with one or more surfactants, preferably a monomeric quaternary surfactant.

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.