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 subject of the present application is a dyeing composition for dyeing keratinous fibres, in particular human keratinous fibres such as hair, comprising, in an appropriate dyeing medium, at least one cationic tertiary para-phenylenediamine containing a pyrrolidine ring, and at least one particular pearlescent or opacifying agent.

Abstract: The present invention relates, firstly, to a cosmetic and/or dermatological composition intended for treating keratin fibres, in particular human keratin fibres and more particularly human hair, 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 substantive polymer chosen from the group consisting of: (i) cationic cellulose derivatives; (ii) dimethyidiallylammonium halide homopolymers and copolymers of dimethyidiallylammonium 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 fibres, in particular processes for dyeing, permanently reshaping or bleaching the hair using this composition.

Abstract: The present invention relates to a composition for the oxidation dyeing of keratin fibres, in particular of human keratin fibres such as the hair, comprising at least one oxidation base chosen from 4,5- or 3,4-diaminopyrazoles and triaminopyrazoles, in combination with at least one particular cellulose-based compound, and also to the dyeing process using this composition with an oxidizing agent.

Abstract: The subject of the present application is a dyeing composition for dyeing keratinous fibres, in particular human keratinous fibres such as hair, comprising, in an appropriate dyeing medium, at least one cationic tertiary para-phenylenediamine containing a pyrrolidine ring, and at least one particular heterocyclic coupler.

Abstract: The subject of the present application is a dyeing composition for dyeing keratinous fibres, in particular human keratinous fibres such as hair, comprising, in an appropriate dyeing medium, at least one cationic tertiary para-phenylenediamine containing a pyrrolidine ring, and at least one particular surfactant chosen from oxyalkylenated carboxylic ether acids, monoglycerolated or polyglycerolated nonionic surfactants and their mixtures.

Abstract: The present patent application relates to a dye composition comprising, in a medium that is suitable for dyeing, at least one cationic tertiary para-phenylenediamine containing a pyrrolidine nucleus, and at least one particular polyol.

Abstract: The present application relates to a composition for the dyeing of keratin fibres, particularly human keratin fibres such as hair, comprising, in an appropriate dyeing medium, at least one cationic tertiary paraphenylenediamine containing a pyrrolidine ring, and at least one particular carbohydrate selected from monosaccharides, disaccharides and mixtures thereof.

Abstract: The subject of the present application is a dyeing composition for dyeing keratinous fibres, in particular human keratinous fibres such as hair, comprising, in an appropriate dyeing medium, at least one cationic tertiary para-phenylenediamine containing a pyrrolidine ring, and at least one cationic direct dye comprising at least one heterocyclic group.

Abstract: The subject of the present application is a dyeing composition for dyeing keratinous fibres, in particular human keratinous fibres such as hair, comprising, in an appropriate dyeing medium, at least one cationic tertiary para-phenylenediamine containing a pyrrolidine ring, and at least one particular polymer containing a fatty phase.

Abstract: The subject of the present application is a dyeing composition for dyeing keratinous fibres, in particular human keratinous fibres such as hair, comprising, in an appropriate dyeing medium, at least one cationic tertiary para-phenylenediamine containing a pyrrolidine ring, and at least one particular para-aminophenol.

Abstract: The present patent application relates to a dye composition for dyeing keratin fibres, in particular human keratin fibres such as the hair, comprising, in a medium that is suitable for dyeing, at least one cationic tertiary para-phenylenediamine containing a pyrrolidine nucleus, and at least one particular surfactant selected from oxyalkylenated carboxylic ether acids, their salts, monoglycerolated or polyglycerolated non-ionic surfactants and mixtures thereof.

Abstract: The subject of the present application is a dyeing composition for dyeing keratinous fibres, in particular human keratinous fibres such as hair, comprising, in an appropriate dyeing medium, at least one cationic tertiary para-phenylenediamine containing a pyrrolidine ring, and at least one organic diacid.

Abstract: The present patent application relates to a dye composition for dyeing keratin fibers, in particular human keratin fibers such as the hair, comprising, in a medium that is suitable for dyeing, at least one cationic tertiary para-phenylenediamine containing a pyrrolidine nucleus, and at least one polyol ester.

Abstract: The present patent application relates to a dye composition for dyeing keratin fibers, in particular human keratin fibers such as the hair, comprising, in a medium that is suitable for dyeing, at least one cationic tertiary para-phenylenediamine containing a pyrrolidine nucleus, and at least one particular vitamin derivative.

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

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: 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 basic amino acid; as well as to processes for treating keratin fibres, in particular processes for dyeing, permanently reshaping or bleaching the hair, using this composition.

Abstract: The invention relates to a 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 heterocyclic oxidation base and at least one 3-aminopyridine derivative as direct dye, as well as to the dyeing process using this 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 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.