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: The invention relates to water-soluble amphiphilic cationic associative polyurethanes of formula R—X—(P)n[L-(Y)m]r-L′-(P′)p—X′—R′, the molecule comprising at least one protonated or quaternized amine functional group and at least one hydrophobic group. The invention also relates to the use of these polyurethanes as thickeners or gelling agents in cosmetic compositions for topical application.

Abstract: The invention relates to a composition for treating keratin materials, in particular the hair, comprising, in a physiologically and in particular a cosmetically acceptable medium, at least one protecting or conditioning agent, and also at least one cationic poly(alkyl)vinyllactam polymer.

Abstract: The invention concerns novel cosmetic composition for hair care comprising, in a cosmetically acceptable medium: (a) at least a cationic poly(vinyllactam), and (b) at least a fixing polymer selected among anionic, amphoteric, non-ionic fixing agents and their mixtures.

Abstract: The invention concerns a composition for treating keratinous fibres, in particular human keratinous fibres such as hair, comprising in a physiologically acceptable medium, at least a protecting or conditioning agent, and further at least a cationic associative polyurethane polymer. The invention also concerns methods and devices using said composition.

Abstract: The invention concerns a composition for bleaching or permanent waving of keratinous fibres, in particular human keratinous fibres and more particularly hair, comprising, in a medium suitable for bleaching or permanent waving, at least a reducing agent and furthermore at least a cationic associative polyurethane. The invention also concerns methods and devices for bleaching or permanent waving of keratinous fibres using said composition.

Abstract: The invention concerns bleaching composition for keratinous fibres, in particular human keratinous fibres and more particularly hair, comprising, in a medium suitable for bleaching, at least an oxidising agent and furthermore at least a cationic associative polyurethane. The invention also concerns the bleaching method and devices using said composition.

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 fatty sucronamide; 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 an oxidation dyeing composition for keratinous fibres, in particular human keratinous fibres and more particularly hair, comprising, in a medium suitable for oxidation dyeing, at least an oxidation colouring agent, and furthermore at least a cationic associative polyurethane. The invention also concerns dyeing methods and devices using said composition.

Abstract: The invention concerns a direct dyeing composition for keratinous fibres, in particular for human keratinous fibres and more particularly hair, comprising, in a medium suitable for dyeing, at least a direct colouring agent, and furthermore at least a cationic associative polyurethane. The invention also concerns dyeing methods and devices using said composition.

Abstract: The invention relates to an oxidation dyeing process for human keratin fibers, which comprises applying to the fibers a dye composition (A) containing, in a medium which is suitable for dyeing, at least one oxidation dye precursor and optionally one or more couplers; developing the color in alkaline, neutral or acidic medium using an oxidizing composition (B) containing an oxidizing agent, at least one of the compositions (A) and (B) also containing an effective amount of at least one cationic amphiphilic polymer chosen from quaternized celluloses modified with groups containing at least one fatty chain, chosen from alkyl, arylalkyl and alkylaryl groups containing at least 8 carbon atoms, or mixtures thereof, and quaternized hydroxyethylcelluloses modified with groups containing at least one fatty chain, chosen from alkyl, arylalkyl and alkylaryl groups containing at least 8 carbon atoms, or mixtures thereof; the compositions (A) and (B) being mixed together immediately before use or applied one after the oth

Abstract: The invention relates to an oxidation dyeing process for human keratin fibres, which comprises applying to the fibres a dye composition (A) containing, in a medium which is suitable for dyeing, at least one oxidation dye precursor and optionally one or more couplers; developing the colour in alkaline, neutral or acidic medium using an oxidizing composition (B) containing an oxidizing agent, at least one of the compositions (A) and (B) also containing an effective amount of at least one cationic amphiphilic polymer chosen from quaternized celluloses modified with groups containing at least one fatty chain, chosen from alkyl, arylalkyl and alkylaryl groups containing at least 8 carbon atoms, or mixtures thereof, and quaternized hydroxyethylcelluloses modified with groups containing at least one fatty chain, chosen from alkyl, arylalkyl and alkylaryl groups containing at least 8 carbon atoms, or mixtures thereof; the compositions (A) and (B) being mixed together immediately before use or applied one after the ot

Abstract: The invention relates to novel amphiphilic cationic associative polyurethanes of formula (I):

Abstract: The invention relates to an oxidation dye composition for keratin fibers, in particular for human keratin fibers such as the hair, this composition comprising, in a medium which is suitable for dyeing, at least one oxidation dye precursor and optionally one or more couplers, and also an anionic amphiphilic polymer containing at least one hydrophilic unit, and at least one allyl ether unit containing a fatty chain. The invention also relates to dyeing processes and dyeing devices using the oxidation 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.

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

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

Abstract: The invention concerns compositions for washing and conditioning keratinous materials, particularly hair and/or skin, based on silicon, a surfactant and a hydrophobic guar gum, and the washing and conditioning methods using said compositions.