A direct emulsion for bleaching keratin fibers, preferably human keratin fibers such as hair, having an inert phase containing of a nonoxygenated and nonperfluorinated liquid compound having a water-solubility at 25.degree. C. of less than 1% and an aqueous hydrogen peroxide solution, a bleaching method using this direct emulsion, as it is or in the form of a ready-to-use composition, and the use of this direct emulsion for bleaching keratin fibers. The direct emulsion in accordance with the inv...

The present disclosure relates to a composition for bleaching and simultaneously dyeing keratin fibers, comprising at least one dye chosen from meta-substituted ortho-nitroanilines and addition salts thereof, at least one peroxygenated salt and at least one alkaline agent. The present disclosure further relates to the process for bleaching and dyeing keratin fibers using this composition, and also to the use of this composition for bleaching and simultaneously dyeing keratin fibers.

Dye compositions comprising, in a medium suitable for dyeing: at least one first oxidation base chosen from 4,5-diaminopyrazole derivatives of formula (I) and addition salts thereof, at least one second cationic oxidation base chosen from monobenzenic, dibenzenic and heterocyclic oxidation bases, and the addition salts thereof, comprising at least one cationic group Z chosen from aliphatic chains optionally bearing at least one ring chosen from saturated and unsaturated rings; wherein said at le...

A ready-to-use composition for the oxidation dyeing of keratin fibers, and, in particular, human keratin fibers such as the hair, including at least one oxidation base, at least one ammonia-generating 2-electron oxidoreductase type enzyme, and at least one donor for the enzyme, as well as a dyeing process using this composition.

The invention relates to a dye composition comprising a first oxidation base of the diaminopyrazole type, a second oxidation base of the para-phenylenediamine type containing a cyclic amino group, and a coupler.The invention also relates to the use of this composition for dyeing keratin fibers and also to the dyeing process using this composition.

The invention relates to a dye composition comprising an oxidation base of the diaminopyrazole type and a pyrazolo-azole coupler.The invention also relates to the use of this composition for dyeing keratin fibres and also to the dyeing process using this composition.

The invention relates to an oxidizing composition for keratin fibers, in particular for human keratin fibers and more particularly the hair, comprising, in a cosmetically acceptable medium: at least one oxidizing agent chosen from the group formed by hydrogen peroxide and compounds capable of producing hydrogen peroxide by hydrolysis, or mixtures thereof, at least one copolymer (b) based on 2-acrylamido-2-methylpropanesulphonic acid and acrylamide, and at least one polymer (c) chosen from crossl...

Process for treating dyed human keratin fibres, in which the fibres are washed with a washing composition (B) containing at least one amphoteric surfactant and at least one nonionic surfactant chosen from alkylpolyglucosides and monoglycerolated or polyglycerolated surfactants. The invention also relates to a kit for performing this process.

The present invention relates to a composition for dyeing keratinous fibers, containing at least one azodiazine direct dye corresponding to the following formula (I): ##STR00001## The present invention also relates to a method for dyeing keratinous fibers using these direct dyes.

A composition comprising: i) at least one anhydrous bleaching composition in paste form comprising at least one peroxygenated salt, at least one alkaline agent, and from 15% to 35% by weight of at least one inert organic liquid, and ii) at least one oxidizing composition in the form of a hydrogen peroxide oil-in-water emulsion comprising at least one surfactant chosen from nonionic and anionic surfactants and at least one copolymer comprising at least one hydrophobic unit and at least one unit d...