Abstract: The invention relates to a composition for dyeing keratinous fibres, in particular human keratinous fibres 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 silicone chosen from the aminated silicones, the polyoxyalkylenated silicones, the silicone gums and resins. The invention also relates to the dyeing methods and devices using it.

Abstract: The invention relates to a composition for dyeing fibers such as the hair, comprising at least one cationic direct dye of given formula, and which also contains at least one thickening polymer chosen from the group comprising:—nonionic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain, —anionic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain, —cationic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain. The invention also relates to the dyeing processes and dyeing kits therefor.

Abstract: The invention relates to a composition for dyeing fibers such as the hair, comprising at least one cationic direct dye of given formula, and which also contains at least one thickening polymer chosen from the group comprising:—nonionic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain,—anionic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain,—cationic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain. The invention also relates to the dyeing processes and dyeing kits therefor.

Abstract: The invention relates to a composition for dyeing keratinous fibres, in particular human keratinous fibres 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 nonionic surfactant chosen from the group consisting of alkyl polyglucosides, sugar or alkyl sugar fatty acid esters, fatty sugar amides and mixtures thereof. The invention also relates to the dyeing methods and devices using it.

Abstract: The invention relates to ready-to-use compositions for oxidation dyeing of keratin fibers, for example, human keratin fibers such as hair, comprising, in a suitable dyeing medium, at least one first oxidation base chosen from para-phenylenediamines and their acid addition salts; at least one second oxidation base chosen from para-aminophenols and their acid addition salts; at least one coupler chosen from meta-aminophanols, meta-phenylenediamines, and meta-diphenols, and their acid addition salts; and at least one enzyme of the laccase type, and to methods using these compositions.

Abstract: The invention concerns a cosmetic composition for oxidation dyeing of keratinous fibres comprising in a support suitable for keratinous fibre dyeing: (a) at least an enzyme such as laccase; (b) at least a particular alkalising agent; (c) at least an oxidation colouring agent, as well as the dyeing methods using said composition.

Abstract: The invention concerns a ready-to-use oxidation dyeing composition for keratinous fibres, and in particular human keratinous fibres such as hair comprising, in an a medium suitable for dyeing, at least one oxidation colouring agent, at least one cationic direct colouring agent 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 fibers such as the hair, comprising at least one cationic direct dye of given formula, and which also contains at least one thickening polymer chosen from the group comprising:—nonionic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain,—anionic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain,—cationic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain. The invention also relates to the dyeing processes and dyeing kits therefor.

Abstract: The invention relates to a composition for dyeing keratinous fibres, in particular human keratinous fibres 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 silicone chosen from the aminated silicones, the polyoxyalkylenated silicones, the silicone gums and resins. The invention also relates to the dyeing methods and devices using it.

Abstract: The invention concerns a ready-to-use composition for oxidation dyeing of keratinous fibres, and in particular human keratinous fibres such as hair comprising, in a medium suitable for dyeing, 3-methyl 4-amino phenol as oxidation base, 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 oxidation dyeing of keratinous fibres, and in particular human keratinous fibres, such as hair, comprising, in a medium appropriate for dyeing, at least one oxidation base, 2-amino-4-N-(&bgr;-hydroxyethyl)aminoanisole as coupler, and at least an enzyme of the laccase type, as well as the dyeing method using this composition.

Abstract: The invention concerns an oxidation dyeing composition for keratinous fibres, and in particular human keratinous fibres such as hair comprising, in a suitable dyeing medium, at least an oxidation base selected among certain substituted para-phenylenediamine derivatives and their addition salts with an acid, at least a polymer selected among amphoteric polymers, cationic polymers with specific repeat still units, or amphiphilic polymers comprising at least a fatty chain, and the dyeing method using said composition.

Abstract: The invention concerns a ready-to-use composition for bleaching human keratinous fibres previously dyed with direct dyes, in particular hair, comprising at least a 4-electron oxidoreductase enzyme, and at least an enzymatic mediator. The invention also concerns a bleaching method using said composition.

Abstract: The subject of the invention is ready-to-use compositions 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 chosen from para-phenylenediamines, double bases, para-aminophenols and heterocyclic bases, at least one enzyme of 2-electron oxidoreductase type in the presence of at least one donor for the enzyme, and at least one enzymatic mediator, and the oxidation dyeing processes using these compositions.

Abstract: The invention concerns a ready-to-use composition for bleaching naturally pigmented human keratinous fibres, in particular hair, comprising at least a 4-electon oxidoreductase enzyme, and at least an enzymatic mediator. The invention also concerns a bleaching method using said composition.

Abstract: The invention relates to a dye composition for keratin fibres, in particular for human keratin fibres 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.

Abstract: The invention relates to a composition for dyeing keratinous fibres, in particular human keratinous fibres 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.

Abstract: The invention concerns a ready-to-use oxidation dyeing composition for keratinous fibres, and in particular human keratinous fibres 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, at least an alkaline agent and hydrogen peroxide, and the dyeing method using said composition.

Abstract: The invention concerns an oxidation dyeing composition for keratinous fibres, and in particular human keratinous fibres such as hair comprising, in a medium suitable for dyeing, at least an oxidation base selected among certain substituted para-phenylenediamine derivatives and their addition salts with an acid, and at least a synthetic direct dyeing agent selected among the azo, quinoid, triarylmethane, indoamino, azine dyes and/or a natural dye. The invention also concerns a dyeing method using said composition.

Abstract: The invention concerns a ready-to-use composition for bleaching human keratinous fibres previously dyed with oxidation dyes, comprising at least a 4-electron the oxidoreductase enzyme, and at least an enzymatic mediator. The invention also concerns a bleaching method using said composition.