A dyeing product for keratin fibers, including a composition C, containing a) 1,4-diamino-2-methoxymethyl-benzene, and/or a salt thereof. The dyeing product also includes an aqueous composition D having a pH in a range of 1 to 6 containing b) an alkylamine salt or alkanolamine salt and g) hydrogen peroxide. The composition C and the aqueous composition D are kept separate until directly prior to use onto the keratin fibers.

A dye composition I may include: a) oxidative dye(s); b) anionic polymer thickener(s); and c) antioxidant(s) including thiol-derived reducer(s). A kit may include (1) the dye composition I and (2) oxidizing composition II, including at least one oxidant. The oxidation base may include a para-phenylenediamine, bis(phenyl)alkylenediamine, para-aminophenol, ortho-aminophenol, heterocyclic base, or mixture thereof, optionally in addition salt form.

The present invention relates to a multiple-compartment device (1) composed of a closed envelop (2) divided in at least two distinct compartments (7a) and (7b) separated from one another by at least one internal frangible seal (8), wherein one of the compartments (7a) containing a composition (A), comprising one oxidation dye precursor, one anionic surfactant, one amphoteric surfactant chosen from betaine; and another one of the compartments (7b) containing an oxidizing composition (B) comprising at least one oxidizing agent.

The invention relates to a process for dyeing keratin fibres by treating said fibres with i) at least one aromatic compound comprising a hydrocarbon-based polycycle comprising at least 10 carbon atoms, at least one of the rings of which is aromatic, ii) at least one indol(in)e compound; optionally iii) at least one metal salt, iv) at least hydrogen peroxide or at least one hydrogen peroxide-generating system and v) at least one basifying agent; to a dye composition comprising ingredients i) and ii), and optionally iii) to v) as defined previously and to a kit comprising ingredients i) to v) as defined previously. This hair dyeing process makes it possible to obtain better colorings which are more uniform, chromatic and long-lasting and which do not impair the cosmetic properties of the keratin fibres, and prevents changing of the colour associated with the presence of indol(in)e derivatives.

A method for dyeing keratinous fibers, in particular, human hair, in which, after a thickened pre-treatment agent (M1) containing no oxidation dye precursors has been applied and allowed to react, a coloring agent (M2) is applied and allowed to react immediately thereafter and without rinsing. By carrying out said method, hair can be colored in a dyeing step and simultaneously multi-tonal dyeing with highlights or lowlights can be achieved.

Technologies are described for methods and compounds for mitigating dag on hair. The method comprises applying a monofunctional compound comprising a hydrophobic tail and a reactive head to the hair and applying a difunctional compound to the hair. The difunctional compound has a first functional component and a second functional component. The application of the difunctional compound enables the first functional component to react with the reactive head of the monofunctional compound, the second functional component to form a matrix in situ with the hair, and the hydrophobic tail of the monofunctional compound to extend from the hair. The hydrophobic tail imparts its hydrophobicity to the hair to mitigate the dag.

The subject matter of the present disclosure is an oxidative dye for oxidative color change of keratinic fibers, in particular human hair which contains, in a cosmetically suitable vehicle, at least one alkalizing agent, at least one oxidative dye precursor of the developer type and at least one oxidative dye precursor of the coupler type, at least one extract of Quassia amara and, based on the weight of the oxidative dye, from about 0 to less than about 0.1 wt % peroxide compounds.

The present invention relates to a composition for dyeing keratin fibers, in particular human keratin fibers such as the hair, comprising one or more fatty substances, one or more alkylpolyglucoside nonionic surfactants and/or one or more oxyethylenated C8-C30 fatty acid esters of sorbitan, one or more (poly)alkoxylated fatty alcohol(s), and/or one or more (poly)glycerolated fatty alcohol(s); one or more oxidation bases chosen from (2,5-diaminophenyl)ethanol and also acid salts thereof or solvates thereof such as hydrates, optionally one or more couplers, optionally one or more basifying agent(s), one or more chemical oxidizing agent(s), and whose fatty substance content represents in total at least 10% by weight relative to the total weight of the composition and more particularly at least 25% by weight relative to the total weight of the said composition.

The present invention relates to a process for bleaching or dyeing keratin fibers, in particular human keratin fibers such as the hair, comprising a step of application, to said fibers, of a composition (A) containing one or more chemical oxidizing agents and a step of irradiation of said fibers by means of UV-visible radiation having a wavelength ranging from 200 to 800 nm and a fluence ranging from 1 to 5000 J/cm.sup.2, after application of said composition (A); when the process is a process for dyeing keratin fibers, then one or more oxidation dyes is or are also used.

A first agent for oxidative hair dye of the present disclosure includes: an (A) component, which is at least one selected from the group consisting of resorcin, derivatives thereof, and salts thereof, in a content not exceeding 0.15% by mass; a (B) component, which is a coupler such as m-aminophenol, a (C) component, which is a dye intermediate such as p-phenylenediamine in a content between 0.01% by mass and 0.45% by mass; and a (D) component, which is an alkanolamine.