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: An oxidation colorant composition and a method of coloring keratin fibers are provided. The oxidation colorant composition includes a) at least one m-phenylenediamine derivative as a secondary intermediate, and b) a combination of at least two primary intermediates selected from p-phenylenediamine derivatives, p-aminophenol derivatives, binuclear primary intermediates or pyrazole derivatives or combinations thereof.

Abstract: A hairdye composition is disclosed, in which hair is normally dyed and at the same time the hairdye is maintained in a transparent state for a certain time period. A method for obtaining a hairdye composition containing phenylmethyl pyrazolone includes the steps of: dissolving fatty alcohol of 2˜25 wt % based on total weight, surfactant of 0.5˜35 wt % based on total weight, and phenylmethyl pyrazolone of 0.1˜30 wt % based on total weight, at 70˜90° C.; mixing the dissolved product with a dye of 0.1˜10 wt % and purified water of 30˜55 wt % based on total weight; cooling the mixture at 50˜60° C.; and mixing an alkalizer of 2˜10 wt % based on total weight with the resultant product.

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

Abstract: The method for simultaneously dyeing and permanent shaping of hair includes mixing a hair shaping component (A) containing from 6 to 15 percent by weight of a keratin-reducing substance with a dye component (B) to form a dyeing and shaping composition prior to application on the hair; treating the hair with the dyeing and shaping composition and then allowing it to act on the hair for from 3 to 30 minutes; after that, treating the hair with a fixing composition; allowing the fixing composition to act on the hair from 1 to 40 minutes and then subsequently rinsing the hair. The dye component (B) contains at least one oxidative coupler compound and at least one oxidative dyestuff selected from a group consisting of certain 4,5-diaminopyrazole derivatives and certain amino-phenol derivatives.

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) 1

Abstract: The oxidation hair dye precursor composition contains from 0.005 to 20.0 percent by weight of at least one coupler compound and from 0.005 to 20.

Abstract: The object of the invention are N-heteroarylmethyl-p-phenylenediamine derivatives of the general formula (I) or their physiologically tolerated salts, 1

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

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: 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: A process is described for making 1,4-diamino-2-methoxymethylbenzene of formula (I), or a physiologically compatible salt of 1,4-diamino-2-methoxy-methylbenzene, of formula (I): 1

Abstract: An oxidation colorant composition and a method of coloring keratin fibers are provided. The oxidation colorant composition includes a) at least one m-phenylenediamine derivative as a secondary intermediate, and b) at least one primary intermediate selected from 4-amino-2-((diethylamino)-methyl)-phenol, 2-chloro-4-aminophenol, 2,6-dichloro-4-aminophenol, 4-amino-3-methylphenol, 1-(2′-hydroxyethyl)-2,5-diaminobenzene, 1,10-bis-(2,5-diaminophenyl)-1,4,7,10-tetraoxadecane, bis-(2-hydroxy-5-aminophenyl)-methane, 2-aminomethyl-4-aminophenol, N,N′-bis-(4-aminophenyl)-1,4-diazacycloheptane, 1,3-bis-(N-(2-hydroxyethyl)-N-(4-aminophenylamino))-2-propanol, N,N-bis-(2-hydroxyethyl)-p-phenylenediamine, 4,5-diamino-1-(&bgr;-hydroxyethyl)-pyrazole or o-aminophenol, or combinations thereof.

Abstract: The present invention relates to the use for dyeing keratin fibres, in particular human keratin fibres such as the hair, of a dye precursor bearing at least one phosphate substituent of formula —O—PO(OH)2, in the presence of at least one acid or alkaline phosphatase.

Abstract: An oxidation colorant composition and a method of coloring keratin fibers are provided. The oxidation colorant composition includes a) at least one m-phenylenediamine derivative as a secondary intermediate, and b) at least one other secondary intermediate selected from 2-amino-3-hydroxy-5-chloropyridine, 2,6-dihydroxy-3,4-dimethylpyridine, 2,6-bis-(&bgr;-hydroxyethylamino)-toluene, 2,4-dichloro-3-aminophenol, 3-amino-2-chloro-6-methylphenol, 5-amino-4-chloro-2-methylphenol, 5-(2′-hydroxyethyl)-amino-2-methylphenol, 5-amino-2-methylphenol, 2-amino-3-hydroxypyridine, 3-amino-2-methylamino-6-methoxypyridine, 2-methylresorcinol, 2,4-diaminophenoxyethanol, 1,3-bis-(2,4-diaminophenoxy)-propane, resorcinol, m-aminophenol, 3,5-diamino-2,6-dimethoxypyridine, 1,7-dihydroxynaphthalene, 2,7-dihydroxy-naphthalene, 1,5-dihydroxynaphthalene, 4-hydroxyindole and/or 6-hydroxyindole.

Abstract: The invention concerns an oxidation dyeing composition for keratinous fibers, and in particular human keratinous fibers such as hair comprising, in a suitable dyeing medium, at least a first oxidation base selected among certain substituted para-phenylenediamine derivatives and their addition salts with an acid, and at least a second selected oxidation base, and the dyeing method using said composition.

Abstract: The present invention is directed to a hair coloring method by using a composition comprising a specified ring-fused heterocycle direct dyestuff having the general formula (1) or a salt thereof wherein the formulas are as defined in the patent claims.

Abstract: The invention concerns a composition for the dyeing of human hair on the basis of at least one direct-acting hair dyestuff, characterized in that it comprises at least one dyestuff of the formula (1) 1

Abstract: The invention relates to novel compositions for the oxidation dyeing of keratin fibers, comprising at least one specific diaminopyrazole derivative, to the dyeing process using this composition, to novel diaminopyrazole derivatives and to a process for their preparation.

Abstract: The invention concerns an oxidation dyeing composition for keratinous fibers, and in particular for human keratinous fibers such as hair comprising, in a suitable dyeing medium, at least an oxidation base selected among certain substituted paraphenylenediamine derivatives and their addition salts with an acid, and at least a selected coupling agent, and the dyeing method using said composition.

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 oxidation colorant compositions are provided containing a combination of at least one 4,5-diaminopyrazole derivative as a primary intermediate and at least one halogenated m-aminophenol as a secondary intermediate.

Abstract: The present application relates to a cosmetic composition intended for treating keratin fibers, comprising, in a support which is suitable for keratin fibers: (a) at least one enzyme of 2-electron oxidoreductase type in the presence of at least one donor for the said enzyme; (b) at least one nonionic guar gum; as well as to processes for treating keratin fibers, in particular processes for dyeing, permanently reshaping or bleaching the hair, 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 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: Compositions for lanthionizing keratin fibers comprising at least one organic nucleophile and at least one hydroxide ion generator, wherein the at least one organic nucleophile is present in an amount effective to increase the tensile strength of the keratin fibers. Pretreatment compositions for keratin fibers comprising at least one organic nucleophile, wherein the pretreatment composition is applied prior to applying a relaxing composition and further wherein the at least one organic nucleophile is present in an amount effective to increase the tensile strength of the keratin fibers. Methods and multicomponent kits for lanthionizing keratin fibers to achieve relaxation of the keratinous fibers using at least one organic nucleophile.

Abstract: The invention relates to the use of an effective amount of a first polymer with a weight-average molecular mass of less than 100 000, comprising a) a polymer skeleton containing hydrocarbon-based repeating units containing at least one hetero atom, and optionally b) at least one pendent fatty chain and/or at least one terminal fatty chain, which may be functionalized, containing from 6 to 120 carbon atoms and being linked to these hydrocarbon-based units, in a make-up composition comprising a physiologically acceptable medium containing a fatty phase, as an agent for increasing the speed of achieving a make-up result on keratin materials and/or for increasing the adhesion to said keratin materials and/or for rapidly increasing the amount of make-up deposited on the keratin materials.

Abstract: The oxidation hair dye precursor composition contains from 0.005 to 20.0 percent by weight of one or more coupler compounds and from 0.005 to 20.0 percent by weight of one or more developer compounds.

Abstract: The object of the present invention is the use of 4-nitro-2,1,3-benzoxadiazole derivatives of general formula (I) as dye in colorants for keratin fibers such as, for example, wool, silk, furs or hair and particularly human hair 1

Abstract: Compositions for oxidation dyeing of keratinous fibers, for example, human keratinous fibers such as hair, comprising, in a medium suitable for dyeing, at least one enzymatic oxidizing agent and at least one oxidation dye chosen from the pyridine compounds and acid addition salts, of formula (I) and processes comprising such compositions.

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

Abstract: The present application relates to a cosmetic composition intended for treating keratin fibers, comprising, in a support which is suitable for keratin fibers:

Abstract: The present invention relates to a composition, process for preparation and use of a novel hair dying composition in the personal care industry. The composition when used in the dying process for hair results in a permanent coloration to the hair and improves manageability of the hair and minimizes damage from dying process. The use of silicone fatty esters having between 16 and 32 carbon atoms present in the ester portion of the molecule provide unexpected penetration of the hair by the dye, unexpected oxidative stability in the dye compositions, and unexpected color deposition to the hair.

Abstract: The subject of the invention is dyeing compositions containing cationic monobenzene nitroanilines having at least one cationic charge delocalized over an unsaturated 5-membered polynitrogenous heterocycle, their use as direct dye compositions for the dyeing of keratinous substances, in particular human keratinous fibers, such as the hair, and the direct dyeing processes employing these compositions.

Abstract: The subject of the invention is dyeing compositions containing dibenzenic nitro compounds 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, their use as direct dyes in dyeing applications for keratin substances, in particular human keratin fibers and especially the hair, and to the direct dyeing process employing these compositions.

Abstract: Primary intermediates useful hair coloring systems comprise 2-arylaminomethyl-4-aminophenols.

Abstract: An oxidation hair dyeing agent composition provides a color tone for dyed hair which is not easily affected by repeated washing with cold and hot water containing shampoo and soap, and it has superior wash resistance. The oxidation hair dyeing agent composition is characterized as containing a cyclic silicone and a silicone elastomer. As a two-component type oxidation hair dyeing agent composition, it contains as the first component a mixture of an oxidation dye precursor, a cyclic silicone, a silicone elastomer, an emulsifying agent, and water. The mixture is emulsified in water using the emulsifying agent. The second component of the composition is an aqueous hydrogen peroxide solution.

Abstract: The invention relates to a composition for the oxidation dyeing of keratin fibers, containing a first oxidation base chosen from 1,8-bis(2,5-diaminophenoxy)-3,6-dioxaoctane and acid-addition salts thereof, at least one second selected oxidation base and at least one coupler; as well as to the oxidation dyeing process using this composition and multicompartment devices/kits.

Abstract: The invention relates to novel compositions for the oxidation dyeing of keratin fibers, comprising at least one specific diaminopyrazole derivative, to the dyeing process using this composition, to novel diaminopyrazole derivatives and to a process for their preparation.

Abstract: The dye composition has a pH of 3 to 12 and contains water, alcohols and/or mixtures thereof as a solvent; from 0.01 to 10 percent by weight of at least one dye compound of formula (I), wherein R1 represents hydrogen or a methyl group and Y is an amino group of the formula —NHR2, and R2 is either a cyclopropyl group, a methoxyethyl group or a methoxypropyl group; OR wherein R1 represents hydrogen or a linear or branched alkyl group with 1 to 4 carbon atoms and Y represents a heterocyclic ring of formula (II): wherein X is a nitrogen atom or an oxygen atom and m is 1, 2 or 3 and n is 0 or 1; and from 0.5 to 30 percent by weight of at least one anionic, cationic, amphoteric and nonionic and/or zwitterionic surface-active substances and/or from 0.1 to 25 percent by weight of at least one thickener and/or from 0.1 to 5 percent by weight of at least one care material. A method of dyeing fibers using the composition is also described.

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: 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: Hair colouring compositions are provided which comprise (i) one or more developers selected from amino aromatic systems capable of being oxidised and thereafter under-going a single electrophilic attack, and (ii) one or more couplers selected from (A) phenols and naphthols having an active leaving group in the para position relative to the hydroxyl group, (B) 1,3-diketones containing the group (a) in which Z is an active leaving group, and (C) compounds containing the group (b) in which Z is an active leaving group, and X is an active leaving group or a non-leaving substituent, such that in the presence of an oxidising agent the or each developer reacts with the or each coupler substantially only at the positions having the active leaving group Z and, if X is an active leaving group, X, and (iii) an antioxidant. Use of an antioxidant with these colouring agents gives good fade resistance. A kit, method and system for colouring hair are also provided using these colouring agents.

Abstract: The invention concerns the use of indoline derivatives of formula (I): 1

Abstract: The present application relates to a cosmetic composition intended for treating keratin fibres, comprising, in a support which is suitable for keratin fibres: (a) at least one enzyme of 2-electron oxidoreductase type in the presence of at least one donor for the said enzyme; (b) at least one nonionic guar gum; as well as to processes for treating keratin fibres, in particular processes for dyeing, permanently reshaping or bleaching the hair, using this composition.

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.

Abstract: Compositions for oxidation dyeing of keratinous fibers, for example, human keratinous fibers such as hair, comprising, in a medium suitable for dyeing, at least one enzymatic oxidizing agent and at least one oxidation dye chosen from the pyridine compounds and acid addition salts, of formula (I) and processes comprising such compositions.

Abstract: The invention relates to an oxidation dye composition for keratin fibres, and in particular for human keratin fibres such as the hair, comprising, in a medium which is suitable for dyeing, at least one oxidation dye precursor and optionally one or more couplers, characterized in that it also comprises a nonionic amphiphilic polymer containing at least one fatty chain and at least one hydrophilic unit.

Abstract: The present invention relates, firstly, to a cosmetic and/or dermatological composition intended for treating keratin fibers, in particular human keratin fibers and more particularly human hair, comprising, in a support which is suitable for keratin fibers: (a) at least one enzyme of 2-electron oxidoreductase type in the presence of at least one donor for the said enzyme; (b) at least one substantive polymer chosen from the group consisting of: (i) cationic cellulose derivatives; (ii) dimethyldiallylammonium halide homopolymers and copolymers of dimethyldiallylammonium halide and of (meth)acrylic acid; (iii) methacryloyloxyethyltrimethylammonium halide homopolymers and copolymers; (iv) polyquaternary ammonium polymers; (v) vinylpyrrolidone polymers containing cationic units; (vi) mixtures thereof. The present invention also relates to processes for treating keratin fibers, in particular processes for dyeing, permanently reshaping or bleaching the hair using this composition.

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: