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: Described is a method of reducing transcutaneous passage of an orthodiphenol oxidation dye by adding a catalytic system of Mn(II) or Zn(II) salt or oxide and at least one alkaline or alkaline earth hydrogenocarbonate to the orthodiphenol oxidation dye composition.

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

Abstract: 1,3-Dihydroxybenzene derivatives of general formula (I) or (Ia) or physiologically tolerated, water-soluble salts thereof wherein R?1 denotes a substituted pyridyl group, a pyrimidyl group, a group of formula (IIa) or (IIIa) and the dyeing agents for keratin fibers containing these compounds.

Abstract: Described is a method of reducing transcutaneous passage of an orthodiphenol oxidation dye by adding a catalytic system of Mn(II) or Zn(II) salt or oxide and at least one alkaline or alkaline earth hydrogenocarbonate to the orthodiphenol oxidation dye composition.

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: The object of the invention is an agent for the oxidative dyeing keratin fibers, wherein it contains (a) at least one 4,5-diaminopyrazole derivative of Formulas (I), (II) or (III) or its salt with organic or inorganic acids as well as (b) at least one resorcinol derivative of the general Formula (IV)

Abstract: Couplers for hair coloring compositions for oxidative dyeing of hair are compounds of the formula (1): where R1 and R2 are each individually selected from a hydrogen atom, a C1 to C3 alkyl group, a C1 to C5 mono or dihydroxyalkyl group; phenyl or benzyl optionally substituted with an alkoxy group, or R1 and R2 together with the nitrogen atom to which they are attached form a piperazine, piperidine, imidazole, or morpholine ring.

Abstract: Couplers for hair coloring compositions for oxidative dyeing of hair are compounds of the formula (1): wherein X is selected from halogen and R5SO4 where the halogen is preferably Cl, Br or I; R, R1 and R2 are each individually selected from C1 to C22 alkyl and C1 to C22 mono or dihydroxyalkyl, or two of R, R1 and R2 together with the nitrogen atom to which they are attached form a C3 to C6 saturated or unsaturated ring optionally containing in the ring one or more additional hetero atoms selected from O, S and N atoms; R3 and R4 are each individually selected from C1 to C6 alkyl, C1 to C6 hydroxyalkyl, C1 to C6 alkoxy, C1 to C6 aminoalkyl or R3 and R4 together form a C1 to C5 alkylene group; and R5 is selected from C1 to C22 alkyl and C1 to C22 mono or dihydroxyalkyl.

Abstract: Hair-coloring compositions comprise at least one self-coupling compound of Formula (1) wherein R is a moiety selected from H, C1-3 alkyl and C1-3 hydroxyalkyl; R1 is a C1-3 alkylene radical and R2 is selected from H and C1-3 alkyl radicals.

Abstract: Compositions and methods for achieving permanent hair color change which composition includes a mixture of: a) a composition A which comprises: i) at least one oxidation hair dye precursor; ii) a metal cyanate selected from the group consisting of KOCN, NaOCN, LiOCN, Ca(OCN)2, Mg(OCN)2, Zn(OCN)2 and mixtures thereof which comprises a cyanate ion at about 0.1 to about 2.5%; and iii) an alkalizing agent; b) and a composition B which comprises: i) an oxidizing compound; wherein the mixture of composition A and composition B has a pH of about 7 to about 11; are described.

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: Couplers for hair coloring compositions for oxidative dyeing of hair are compounds of formula (1): wherein X is selected from halogen; R3 is selected from the group consisting of C1 to C2 alkyl and hydroxyethyl; and R, R1 and R2 are each independently selected from C1 to C22 alkyl or C1 to C22 mono or dialkyl groups, or two of R, R1 and R2 together with the the nitrogen atom to which they are attached form a C3 to C6 cycloaliphatic or a C3 to C14 aromatic group, the cycloaliphatic or aromatic group optionally containing in their rings one or more hetero atoms selected from O, S and N atoms.

Abstract: A method for permanently dyeing hair is provided which includes subjecting the hair to a number of treatments, having a set time interval between each two consecutive such treatments, and wherein each treatment comprises contacting the hair for a period from about 5 seconds to about 3 minutes with a recently made mixture of an alkaline and an acidic composition, followed by a rinsing step. A shampoo or conditioner base is present in the alkaline and acidic compositions.

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: 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.) below: a.) contacting said hair, for a period of about 5 seconds to about 5 minutes with a recently made mixture of: i.) an alkaline composition comprising a dye intermediate in a shampoo base or in a conditioner base; and ii.) an acidic composition comprising an oxidating compound in a shampoo base or in a conditioner base; b.) rinsing said mixture from said hair with water; with the proviso that when a conditioner base is present in a.) i.) above, an independently selected conditioner base is also present in a.) ii.) above; and when a shampoo base is present in a.) i.) above, an independently selected shampoo base is also present in a.) ii.

Abstract: The invention relates to the field of the oxidation dyeing of keratinous fibres and in particular of human keratinous fibers, such as the hair. The invention relates more particularly to the use of certain 2-(sulphonylamino)phenols of following formula (I) as coupler in combination with oxidation dye precursors for the oxidation dyeing of the fibers.

Abstract: A composition for coloring keratin fibers comprises, a physiologically acceptable medium and an efficacious quantity of at least one coloring material precursor selected from the compounds containing at least one aromatic ring having at least two hydroxyl groups borne by two adjacent carbon atoms of the aromatic ring, an efficacious quantity of at least one oxidation base of the para or ortho type selected from the aromatic amines, and an efficacious quantity of a catalytic system comprising a first constituent selected from the group consisting of salts and oxides of Mn(II) and/or Zn(II) and their mixtures, and a second constituent selected from the group consisting of alkali hydrogen carbonates, alkaline earth hydrogen carbonates and their mixtures. Keratin fibers may be colored by the application of this composition thereto.

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 subject of the invention is novel compounds derived from naphth-1-ol comprising at least one cationic group, their use as coupler for the oxidation dyeing of keratinous fibres, compositions for the oxidation dyeing of keratinous fibres, and in particular human keratinous fibres such as hair, containing them in combination with at least one oxidation base, as well as methods of oxidation dyeing using them.

Abstract: There are provided novel preparations for tinting or dyeing hair which contain vitamin B6 derivatives.

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 composition for the oxidation dyeing of keratinous fibers such as hair, comprises at least one para-phenylenediamine derivative as oxidation base, in combination with at least one coupler of meta-aminophenol or meta-diphenol type, and the dyeing process employing this composition.

Abstract: The invention relates to a ready-to-use composition for the oxidation dyeing of keratin fibers, and in particular human keratin fibers such as the hair, comprising, in a medium which is suitable for dyeing, at least one self-oxidizing dye, and at least one enzyme of 2-electron oxidoreductase, type, in the presence of at least one donor for the said enzyme, as well as to the dyeing process using this composition.

Abstract: The invention relates to the use of hydroxystilbenes for dyeing, to ready-to-use dye compositions comprising them, to a dyeing process using them and to a multi-compartment device containing the compositions used in the processes of the invention.

Abstract: The use of derivatives of quinoline- or quinoxaline-5,8-diones or -diols in cosmetics, especially for the dyeing of keratinous matter and, in particular, the hair. It also relates to novel compounds of this class. The invention is also directed to dyeing compositions comprising the said compounds and to the method of dyeing keratinous fibers.

Abstract: An oxidation dye composition for keratin fibres and in particular for human keratin fibres such as the hair, comprising, in water, 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, and, therefore the invention also relates to the processes and dyeing devices using the oxidation dye composition.

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 oxidation base, at least one substituted meta-phenylenediamine as first coupler, at least one second coupler chosen from meta-aminophenols and meta-diphenols 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: The invention relates to a ready-to-use composition for the oxidation dyeing of keratin fibers, and in particular human keratin fibers such as the hair, comprising, in a medium which is suitable for dyeing, at least one oxidation base, at least one substituted meta-phenylenediamine as first coupler, at least one second coupler chosen from meta-aminophenols and meta-diphenols 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: The invention concerns the use of flavylium type compounds, non-substituted in position 3, and substituted by at least a hydroxyl or alcoxy radical, in particular Apigenidin, in pure form or in the form of plant extracts containing them, as coloring agent in or for making compositions for dyeing keratinous fibers, particularly human keratinous fibers such as hair. The invention also concerns the dyeing compositions containing them, particularly cosmetic compositions for direct hair dyeing, and the corresponding dyeing method. The hair dyes resulting from the use of these coloring agents are particularly stable to light and washing.

Abstract: A hair coloring composition, and a method for using the composition in which a natural plant-derived chemical of the formula ##STR1## is employed as a coupler-modifier in a composition containing a primary intermediate and a customary coupler. The novel coupler-modifiers produce a composition which is more physiologically suitable for use in hair colorings than the prior art compositions and allows for the preparation of compositions which produce highly stable colorings over a broad range shades and tones.

Abstract: Compounds of Formula II ##STR1## wherein R.sub.3 is --COOCH.sub.3, --COCH.sub.3 or --COCH.sub.2 CH.sub.3 and R.sub.4 is hydrogen or R.sub.3 is hydrogen and R.sub.4 is --OCH.sub.3, --OC.sub.2 CH.sub.3, --OCH.sub.2 CH.sub.2 OH or --OCH.sub.2 CH.sub.2 OCH.sub.3 are storage stable and can be used in oxidative hairdye systems in place of the storage unstable 2-methyl-1-naphthol. Advantageously, it has been found to produce the same colors as 2-methyl-1-naphthol.

Abstract: The present invention relates to methods of dyeing a material, comprising (a) soaking the material in an aqueous solution which comprises one or more mono-, di- or polycyclic aromatic or heteroaromatic compounds; and (b) treating the soaked material in an aqueous solution with (i) a hydrogen peroxide source and an enzyme exhibiting peroxidase activity or (ii) an enzyme exibiting oxidase activity on the one or more aromatic or heteroaromatic compounds; wherein the material is a fabric, yarn, fiber, garment or film made of fur, hide, leather, silk or wool.

Abstract: An oxidation dye composition for keratin fiberes, and in particular for human keratin fibers 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, and the invention also relates to the processes and dyeing devices using the said oxidation dye composition.

Abstract: A process of dyeing hair by preparing and applying to the hair an aqueous reaction medium comprising an aminoethanethiol, a dihydroxybenzene and a ferricyanide or persulfate oxidizing agent, the composition optionally containing a color modifier selected from the group consisting of direct dyes, primary intermediates, couplers and mixtures thereof, and also containing a buffer to maintain the pH in the range from 2 to 11 during the oxidation reaction, and removing the aqueous reaction medium from the hair after the desired color is attained, and compositions and kits for practicing such processes.

Abstract: An oxidation dyeing composition for keratinous fibers containing, in a medium appropriate for dyeing, at least one oxidation dye precursor selected from 2-(.beta.-hydroxyethyl)-para-phenylenediamine or its acid addition salts, at least one first coupler selected from 2-methylresorcinol or at least one acid addition salt thereof, and at least one second coupler selected from resorcinol or at least one acid addition salt thereof, and methods for dyeing keratinous fibers, especially hair, with such compositions.

Abstract: A 2-Substituted-1-naphthol of the formula: ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.6 alkyl or monohydroxy C.sub.1 -C.sub.6 alkyl couples with a primary intermediate of the formula: ##STR2## wherein R is C.sub.1 -C.sub.6 alkyl or monohydroxy C.sub.1 -C.sub.6 alkyl to produce an oxidative dye.

Abstract: The present invention relates to a permanent dyeing composition comprising a) above 0 to 1 mg enzyme protein per ml dyeing composition of microbial laccase, b) one or more dye precursor, and c) optionally one or more dye modifiers, the use of the dyeing composition for dyeing keratinous fibers, such as hair, fur, hide, and wool, and a method for permanent dyeing of keratinous fibers.

Abstract: A 2-Substituted-1-naphthol of the formula: ##STR1## wherein R.sub.3 is C.sub.1 -C.sub.6 alkyl or monohydroxy C.sub.1 -C.sub.6 alkyl couples with a primary intermediate of the formula: ##STR2## wherein R.sub.1 and R.sub.2 are each independently C.sub.1 -C.sub.6 alkyl to produce an oxidative dye.

Abstract: A composition for a powdered hair dye includes an oxidative dye component, an oxidizing component and a thickening component. Other additives including protein derivatives and sucrose may also be utilized. The powdered dye composition may be placed into an applicator container so that the container is partially filled with the dye composition. Then when the user desires to use the dye, water is added to the container, the container shaken to mix the water and the powdered dye composition, and the mixture is then applied to the hair using an application mechanism which allows for easy and efficient application of the dye to the hair.

Abstract: A composition for the oxidation dyeing of keratinous fibres, especially human hair, which comprises an oxidation dye precursor in combination with a coupler and an oxidizing agent, in an acidic medium. The composition is applied to keratinous fibers in a hair dyeing process.

Abstract: Compounds of Formula II ##STR1## wherein R.sub.3 is --COOCH.sub.3, --COCH.sub.3 or --COCH.sub.2 CH.sub.3 and R.sub.4 is hydrogen or R.sub.3 is hydrogen and R.sub.4 is --OCH.sub.3, --OCH.sub.2 CH.sub.3, --OCH.sub.2 CH.sub.2 OH or --OCH.sub.2 CH.sub.2 OCH.sub.3 are storage stable and can be used in oxidative hairdye systems in place of the storage unstable 2-methyl-1-naphthol. Advantageously, it has been found to produce the same colors as 2-methyl-1-naphthol.

Abstract: A process for dyeing hair by preparing and applying to the hair an aqueous reaction medium comprising a dopa species, a reactive direct dye and an oxidant, said aqueous reaction medium optionally containing at least one hair dyeing agent selected from the group consisting of primary intermediates and couplers and also containing a buffer to maintain the pH in the range from 6 to 10 during the reaction, and removing said aqueous reaction medium from the hair within about one hour following its preparation.

Abstract: A process of dyeing hair by preparing and applying to the hair an aqueous reaction medium buffered to a pH of from 7 to 11 with a bicarbonate or a TRIS buffer, a catalytic quantity of a cupric or ferrous salt, a catechol and a persulfate oxidizing agent and removing the composition after the desired color is attained, and compositions and kits for practicing such process. The composition may be formed by simultaneous addition of the catechol and the oxidant to the hair or by addition of the catechol followed by addition of the oxidant.

Abstract: The invention relates to an oxidation dyeing composition for keratinous fibers containing, in a medium appropriate for dyeing, at least one oxidation dye precursor selected from 2-(.beta.-hydroxyethyl)-para-phenylenediamine and its acid addition salts and at least one coupler selected from a combination of 2-methylresorcinol or at least one acid addition salt thereof with 3-aminophenol or at least one acid addition salt thereof. It also relates to the use of this composition for dyeing keratinous fibers and especially hair.

Abstract: A process of dyeing hair by preparing and applying to the hair an aqueous reaction medium comprising an aminoethanethiol, a dihydroxybenzene and a ferricyanide or persulfate oxidizing agent, the composition optionally containing a color modifier selected from the group consisting of direct dyes, primary intermediates, couplers and mixtures thereof, and also containing a buffer to maintain the pH in the range from 2 to 11 during the oxidation reaction, and removing the aqueous reaction medium from the hair after the desired color is attained, and compositions and kits for practicing such processes.

Abstract: Disclosed are hair coloring compositions comprising coloring agent and disaccharide. The coloring agent preferably comprises a first oxidizing agent for bleaching the hair, a dyeing agent for adding color to the hair and a second oxidizing agent for developing the dyeing agent. Also disclosed are methods for altering the color of hair to a predetermined degree comprising (a) applying to the hair a hair coloring composition, said composition comprising a coloring agent and a disaccharide; (b) allowing said composition to remain in contact with the hair for a time sufficient to achieve the predetermined degree of color alteration; and (c) substantially removing said composition from the hair.