Abstract: The present application relates to a dye composition comprising at least one polysaccharide-type polymer, at least one fatty ether that is solid at room temperature and atmospheric pressure, of formula R—O—R? with R and R?, which are identical or different, denoting a linear or branched alkyl or alkenyl radical, R and R? comprising at least 12 carbon atoms, and at least one direct dye and/or at least one dye precursor.

Abstract: The present invention relates to a composition for lightening keratin materials, preferably keratin fibres, in particular human keratin fibres such as the hair, comprising (a) hydrogen peroxide; (b) one or more bicarbonates and/or one or more bicarbonate-generating systems, (c) one or more polyphosphorus derivatives, preferably chosen from linear or cyclic compounds comprising at least two phosphorus atoms covalently bonded together via at least one linker L comprising at least one oxygen atom and/or at least one carbon atom, in a total content of greater than or equal to 0.5% by weight, relative to the total weight of the composition, and the pH of the composition preferably being less than or equal to 11, preferably less than or equal to 10. The invention also relates to a lightening process using said composition, and also to a multi-compartment device which is suitable for using said lightening composition.

Abstract: The present invention relates to a composition for lightening keratin fibres, in particular human keratin fibres such as the hair, comprising (a) one or more chemical oxidizing agents chosen from hydrogen peroxide and/or one or more hydrogen peroxide-generating systems other than peroxygenated salts; (b) one or more bicarbonates and/or one or more bicarbonate-generating systems, (c) one or more polyphosphorus derivatives, in a total content of greater than or equal to 0.5% by weight, relative to the total weight of the composition, (d) one or more peroxygenated salts, and preferably the pH of the composition being less than or equal to 11, preferably less than or equal to 10. The invention also relates to a lightening process using said composition, and also to a multi-compartment device which is suitable for using said lightening composition.

Abstract: The present invention relates to a multi-step process for dyeing keratin fibres, human keratin fibres such as the hair, in which said fibres are treated with: i) at least one step i) of treating said fibres using a cosmetic composition Ci) comprising a) one or more titanium salts and b) optionally one or more particular carboxylic acids; ii) at least one step of dyeing with a colouring cosmetic composition Cii) comprising c) one or more synthetic direct dyes, preferably chosen from anionic direct dyes; iii) optionally at least one step of intermediate rinsing of said fibres, said step being performed between step i) and ii) or between step ii) and i), depending on the order in which said steps i) and ii) are performed.

Abstract: The present invention relates to a composition for lightening keratin fibres, in particular human keratin fibres such as the hair, comprising (a) hydrogen peroxide; (b) one or more carbonates and/or one or more carbonate-generating systems in a content of greater than or equal to 0.2%, preferably greater than or equal to 0.3%, preferably greater than or equal to 0.5% and particularly greater than or equal to 1% by weight relative to the weight of the composition, (c) one or more polyphosphorus derivatives, in a total content of greater than or equal to 0.5% by weight, relative to the total weight of the composition, (d) one or more peroxygenated salts, said polyphosphorus derivative(s) being different from said peroxygenated salt(s), and the pH of the composition being less than or equal to 10, preferably less than or equal to 9.7 and better still from 6 to 9.5.

Abstract: The present invention relates to a process for dyeing keratin fibres, in particular human keratin fibres such as the hair, in which said fibres are treated using one or more cosmetic compositions comprising a) one or more dye(s), b) one or more titanium salts and optionally b1) at least one carboxylic acid, and c) one or more insoluble silicates and d) optionally one or more chemical oxidizing agents such as hydrogen peroxide or one or more hydrogen peroxide-generating systems.

Abstract: The present invention relates to a process for dyeing keratin fibres, in particular human keratin fibres such as the hair, in which said fibres are treated using one or more cosmetic compositions comprising a) one or more dye(s), b) one or more titanium salts and optionally b1) at least one carboxylic acid, and c) one or more non-cellulosic-based polysaccharides, and d) optionally one or more chemical oxidizing agents such as hydrogen peroxide or one or more hydrogen peroxide-generating systems.

Abstract: The present invention relates to a process for dyeing keratin fibres, in particular human keratin fibres such as the hair, in which said fibres are treated using one or more cosmetic compositions comprising a) one or more dye(s), b) one or more titanium salts and b1) optionally at least one carboxylic acid, and c) one or more anionic thickening polymers derived from the polymerization of at least one monomer bearing an organic monoacid function, and d) optionally one or more chemical oxidizing agents such as hydrogen peroxide or one or more hydrogen peroxide-generating systems.

Abstract: The present invention relates to a process for dyeing keratin fibres, in particular human keratin fibres such as the hair, in which said fibres are treated using one or more cosmetic compositions comprising a) one or more dyes chosen from synthetic direct dyes and dyes of natural origin, b) one or more titanium salts and b1) optionally one or more particular carboxylic acids, c) one or more cellulose-based polysaccharides, d) optionally one or more organic compounds that are liquid at 25° C., with a Hansen solubility parameter value ?H<16 (MPa)1/2 at 25° C., e) optionally one or more chemical oxidizing agents such as hydrogen peroxide or one or more hydrogen peroxide-generating systems.

Abstract: The present invention relates to a composition for lightening keratin materials, preferably keratin fibres, in particular human keratin fibres such as the hair, comprising (a) hydrogen peroxide; (b) one or more carbonates and/or one or more carbonate-generating systems, (c) one or more polyphosphorus derivatives, in a total content of greater than or equal to 0.5% by weight, relative to the total weight of the composition, the pH of the composition being less than or equal to 9.7, the compositions being free of persalts. The invention also relates to a lightening process using said composition, and also to a multi-compartment device which is suitable for using said lightening composition.

Abstract: The invention relates to a process for dyeing keratin fibers, comprising the use of one or more metal catalysts and of a composition (A) comprising: —one or more oxidizing agents, and —at least one monoaminobenzene of formula (I), or an addition salt or solvate thereof in which the radicals R1 to R5 represent, independently of each other: a hydrogen atom; a halogen atom, a C1-C6 alkyl radical, a C1-C6 alkoxy radical, a carboxylic radical (—COOH), a sulfonic radical (—S03 H); two of the adjacent radicals R1 to R5 possibly forming, with the carbon atoms that bear them, a saturated or unsaturated 5- to 7-membered ring, optionally comprising from 1 to 2 heteroatoms, preferably oxygen, the said ring being optionally fused with a saturated or unsaturated 5- to 6-membered ring; on condition that at least one of the radicals R1 to R5 represents an optionally substituted alkoxy radical and preferably at least one of the other radicals R1 to R5 is a hydrogen atom.

Abstract: The present invention relates to a multi-step process for dyeing keratin fibres, human keratin fibres such as the hair, in which said fibres are treated with: i) at least one step i) of treating said fibres using a cosmetic composition Ci) comprising a) one or more titanium salts and b) optionally one or more particular carboxylic acids; ii) at least one step of dyeing with a colouring cosmetic composition Cii) comprising c) one or more synthetic direct dyes, preferably chosen from anionic direct dyes; iii) optionally at least one step of intermediate rinsing of said fibres, said step being performed between step i) and ii) or between step ii) and i), depending on the order in which said steps i) and ii) are performed.

Abstract: The present invention relates to a method for dyeing keratinous fibers, in particular human keratinous fibers, such as the hair, in which the said fibers are treated starting from one or more cosmetic compositions comprising a) one or more ortho-diphenol(s), b) one or more inorganic titanium salt(s) or alkoxytitanium(s), c) one or more acid(s) and d) optionally one or more chemical oxidizing agent(s), such as hydrogen peroxide or one or more hydrogen peroxide generating system(s).

Abstract: The present invention relates to a process for dyeing keratin fibers, in particular human keratin fibers such as the hair, in which the said fibers are treated using one or more cosmetic compositions comprising a) one or more ortho-diphenols, b) one or more organic salts of titanium and of at least one carboxylic acid, and c) optionally one or more chemical oxidizing agents such as hydrogen peroxide or one or more hydrogen peroxide generating systems.

Abstract: The invention relates to a composition comprising: i) at least one oxidation base, preferably of heterocyclic and/or para-phenylenediamine type; and ii) at least one heteroaryl coupler of formula (I), with R1, R2, R3, A and X as defined in the description. The invention also relates to a process for dyeing keratin fibres using ingredients i) and ii); to a kit comprising ingredients i) and ii); and to the use of ingredient i) combined with ii) for dyeing keratin fibres. The composition of the invention leads to particularly powerful, chromatic and sparingly selective colourings.

Abstract: The present invention relates to a method for coloring keratin fibers, comprising: —a first step of applying to the fibers a dyeing composition (a) comprising one or more dyes chosen from chromene dyes and chroman dyes, and one or more liquid organic compounds having a Hansen so lubility parameter ?H of less than or equal to 16 Mpa1/2, then —a second step of applying to the fibers an oxidizing composition (b) comprising one or more oxidizing agents and one or more alkaline agents, one or more metal salts and/or metal oxides being present in at least one of the compositions (a) and (b), and/or being applied during an additional step by means of a composition (c). The invention likewise relates to a kit suitable for implementing this method.

Abstract: The present invention relates to a process for dyeing keratin fibres, in particular human keratin fibres such as the hair, in which said fibres are treated using one or more cosmetic compositions comprising a) one or more dye(s), b) one or more titanium salts and optionally b1) at least one carboxylic acid, and c) one or more non-cellulosic-based polysaccharides, and d) optionally one or more chemical oxidizing agents such as hydrogen peroxide or one or more hydrogen peroxide-generating systems.

Abstract: The present invention relates to a process for dyeing keratin fibres, in particular human keratin fibres such as the hair, in which said fibres are treated using one or more cosmetic compositions comprising a) one or more dye(s), b) one or more titanium salts and b1) optionally at least one carboxylic acid, and c) one or more anionic thickening polymers derived from the polymerization of at least one monomer bearing an organic monoacid function, and d) optionally one or more chemical oxidizing agents such as hydrogen peroxide or one or more hydrogen peroxide-generating systems.

Abstract: The present invention relates to a process for dyeing keratin fibres, in particular human keratin fibres such as the hair, in which said fibres are treated using one or more cosmetic compositions comprising a) one or more dyes chosen from synthetic direct dyes and dyes of natural origin, b) one or more titanium salts and b1) optionally one or more particular carboxylic acids, c) one or more cellulose-based polysaccharides, d) optionally one or more organic compounds that are liquid at 25° C., with a Hansen solubility parameter value ?H<16 (MPa)1/2 at 25° C., e) optionally one or more chemical oxidizing agents such as hydrogen peroxide or one or more hydrogen peroxide-generating systems.

Abstract: The present invention relates to a process for dyeing keratin fibres, in particular human keratin fibres such as the hair, in which said fibres are treated using one or more cosmetic compositions comprising a) one or more dye(s), b) one or more titanium salts and optionally b1) at least one carboxylic acid, and c) one or more insoluble silicates and d) optionally one or more chemical oxidizing agents such as hydrogen peroxide or one or more hydrogen peroxide-generating systems.