Abstract: The present disclosure relates to the process, for dyeing keratin materials, comprising applying to the keratin materials a composition comprising, in a medium appropriate for dyeing, at least one polycyclic aromatic vicinal trione, which may be optionally combined with at least one compound comprising a liable hydrogen. Further disclosed herein is a cosmetic dyeing composition, a multicomponent hair dye composition, and a multicompartment kit comprising the same.

Abstract: The invention relates to the use for of compositions dyeing keratin materials containing, in a medium that is suitable for dyeing, at least one compound of formula (I) in which X and Y, independently of one another, are chosen from a CH group and a nitrogen atom, R is chosen from aromatic mono- or poly-cyclic groups with fused or non-fused rings, wherein the groups have at least 5 members and optionally comprise at least one hetero atom chosen from nitrogen, oxygen, sulphur and phosphorus. Processes and kits using these compositions are also disclosed.

Abstract: The present disclosure relates to a dyeing composition for human keratinous fibers, such as the hair, comprising, in a suitable dyeing medium, at least one oxidation dye, and at least one dicationic compound. The disclosure further relates to the dyeing methods and dyeing kit using the dye composition.

Abstract: A composition comprising at least one fluorescent dye and at least one insoluble conditioning agent; and processes and multicompartment kits comprising the composition. This disclosure also relates to the use of this composition for dyeing a human keratin material, and, for example, artificially dyed or pigmented hair and/or dark skin, with a lightening effect.

Abstract: Disclosed herein is a composition comprising at least one fluorescent dye and at least one insoluble polyorganosiloxane conditioning polymer, processes using this composition, and a device. Further disclosed herein is the use of compositions comprising at least one fluorescent dye and at least one insoluble polyorganosiloxane conditioning polymer, for dyeing human keratin materials, for example artificially dyed and/or pigmented hair and dark skin, with a tightening effect.

Abstract: The present invention relates to a fluid composition comprising, in a cosmetically acceptable medium, at least one electrophilic monomer and at least one amino acid other than cysteine. The invention also relates to a treatment process using this composition and to its use for giving keratin fibres a conditioning effect and/or a styling effect.

Abstract: The present disclosure relates to a composition comprising, in a cosmetically acceptable medium, at least one electrophilic monomer and at least one conductive polymer, and to its use for the cosmetic treatment of keratin fibers. The disclosure also relates to a cosmetic process for treating keratin fibers using the composition.

Abstract: The present disclosure relates to a process for dyeing keratin materials with compositions comprising, in a medium that is suitable for dyeing, at least one ninhydrin derivative, which may optionally be combined with at least one compound comprising at least one labile hydrogen. Further disclosed herein are dying compositions, multi-component hair dye compositions, and a multi-compartment kits.

Abstract: Disclosed herein is an oxidizing composition for the bleaching and/or permanent reshaping of keratin fibers, comprising at least one electrophilic monomer and at least one non-benzoquinone oxidant. Also disclosed herein is a method for bleaching and/or permanently reshaping keratin fibers comprising applying to the keratin fibers an oxidizing composition comprising at least one electrophilic monomer and at least one non-benzoquinone oxidant.

Abstract: The present disclosure relates to compositions for dyeing keratin materials, for example, compositions for hair dyeing comprising at least one 1,3-indandione derivative, a method for dyeing using such compositions and a multicomponent dyeing agent used for carrying out such a method. The present disclosure makes it possible, for example, to obtain a color of the keratin fibers which is fast, resistant to light and to washing.

Abstract: The present disclosure relates to compositions for dyeing keratin materials, for example compositions for hair dyeing, comprising at least one 1,2-indandione derivative, a method for dyeing using such compositions, and a multicomponent dyeing agent used for carrying out such a method.

Abstract: The invention relates to the use, for dyeing keratin fibres, of a-dialdehydes of formula (I) in which A represents • an aromatic or non-aromatic carbocyclic, monocyclic or polycyclic group with fused or non-fused rings, containing from 6 to 50 carbon atoms, or • a 5- to 30-membered aromatic or non-aromatic heterocyclic, monocyclic or polycyclic group with fused or non-fused rings, optionally combined with a carbocyclic, monocyclic or polycyclic group with fused or non-fused rings, containing from 5 to 30 carbon atoms, the hetero atoms of the heterocyclic group being chosen from nitrogen, sulphur, oxygen and/or phosphorus, and the carbocyclic or heterocyclic groups optionally bearing one or more halo, C1-6 alkyl, hydroxyl, C1-6 alkoxy, thiol, carboxylic acid, nitro, sulpho or nitrogen-containing heterocyclic substituents, in the presence of at least one ammonium salt of a

Abstract: The present disclosure relates to compositions for dyeing keratin fibers, for example human keratin fibers, such as the hair, comprising, in a medium that is suitable for dyeing, at least one oxidation dye precursor, at least one alcohol oxidase enzyme, at least one substrate for the enzyme, and at least one oxyalkylenated anionic surfactant. The present disclosure also relates to processes for dyeing keratin fibers, which comprise applying the compositions disclosed herein, and to dyeing “kits” comprising the compositions as disclosed herein.

Abstract: Disclosed herein is a composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a medium suitable for dyeing, at least one alcohol oxidase enzyme, at least one substrate for the enzyme, and at least one cationic oxidation base. Further disclosed herein are a process for dyeing keratin fibers, comprising applying this composition to the keratin fibers, and a dyeing “kit”.

Abstract: The present disclosure relates to a composition for dyeing keratin fibers, for instance human keratin fibers such as the hair, comprising, in a medium that is suitable for dyeing, at least one oxidation dye precursor, at least one alcohol oxidase enzyme, at least one substrate for the enzyme and at least one cationic direct dye chosen from azo, methine and azomethine cationic direct dyes. The present disclosure also relates to a process for dyeing keratin fibers, comprising applying the compositions as disclosed herein, as well as a dyeing “kit” comprising the compositions.

Abstract: Disclosed herein is a composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a medium suitable for dyeing, at least one oxidation dye precursor, at least one alcohol oxidase enzyme, at least one substrate for the enzyme, and at least one polymer comprising at least one sugar unit. Further disclosed herein are a process for dyeing keratin fibers, comprising applying this composition to the keratin fibers, and a multi-compartment device comprising the composition.

Abstract: The invention relates to a dye composition comprising a direct dye consisting of different chromophores, the dye having a particular L*a*b* value. The invention also relates to the dyeing process using this composition and to the use of this composition for dyeing keratin fibers. These compositions in particular make it possible to obtain particularly fast colorations.

Abstract: The present disclosure relates to a composition for dyeing keratin fibers, for instance human keratin fibers such as the hair, comprising, in a medium that is suitable for dyeing keratin fibers, at least one oxidation dye precursor, at least one alcohol oxidase enzyme, at least one substrate for the enzyme and at least one anionic associative polymer. The disclosure further relates to a process for dyeing keratin fibers, comprising applying the composition as disclosed, and also to a dyeing “kit”.

Abstract: The invention relates to a composition comprising, in a cosmetically acceptable medium, at least one particular fluorescent dye. The invention also relates to a process for treating keratin fibres, in particular human keratin fibres, using this composition, and also to a device comprising it. Finally, the invention relates to the use of the composition according to the invention as a lightening agent or as a colouring agent for the said fibres.

Abstract: A composition for dyeing keratin fibers, for example, human keratin fibers such as hair, comprising, in a medium that is suitable for dyeing, at least one oxidation dye precursor, at least one alcohol oxidase enzyme, at least one substrate for the at least one alcohol oxidase enzyme and at least one silicone chosen from amino silicones and oxyalkylenated silicones; process for dyeing keratin fibers comprising applying the composition, and also a dyeing device or “kit”.