L'oreal

Loreal Sa

Il'oreal

Boris Lalleman

Alain Lagrange

Frédéric Simonet

Géraldine Fack

Leïla Hercouet

Sylvain Kravtchenko

Hidetoshi Yamada

Françoise Albouy

Franck Giroud

Estelle Mathonneau

Marie Mignon

Gwenaëlle Jegou

Julie Brun

Patrick Choisy

Gilles Genain

Mickaël Agach

Alain Lagrance

Julia Puech

The present disclosure relates to a composition for lightening keratin fibres, 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%, 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, and (d) one or more peroxygenated salts, said polyphosphorus derivative(s) being different from said peroxygenated salt(s). The pH of the composition is less than or equal to 10. The present disclosure also relates to a process of using the composition for lightening keratin fibres, and a device comprising the composition.

Hair lightening composition comprising hydrogen peroxide, a peroxygenated salt, a carbonate and at least one polyphosphorus derivative

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.

Multi-step hair dyeing process using at least one titanium salt and a synthetic direct dye

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.

Hair dyeing process using at least one dye, a titanium salt and an insoluble silicate

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&#xb0; C., with a Hansen solubility parameter value &#x3b4;H&#x3c;16 (MPa)at 25&#xb0; C., e) optionally one or more chemical oxidizing agents such as hydrogen peroxide or one or more hydrogen peroxide-generating systems.

Hair dyeing process using at least one direct and/or natural dye, a titanium salt, a cellulose-based polysaccharide and optionally a particular organic solvent

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.

Hair dyeing process using at least one dye, a titanium salt and an anionic thickening polymer

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.

Hair dyeing process using at least one dye, an organic titanium salt, and a non-cellulosic-based polysaccharide

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: &#x2014;one or more oxidizing agents, and &#x2014;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 (&#x2014;COOH), a sulfonic radical (&#x2014;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. 

Oxidation dyeing process using a composition comprising a monoaminobenzene and a metal catalyst

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).

Hair dyeing method employing at least one ortho-diphenol, one titanium derivative and one carboxylic acid

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.

Hair dyeing process using at least one ortho-diphenol and one organic salt of titanium and of a carboxylic acid

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 R, R, R, 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. 

Composition for dyeing keratin fibres, comprising an oxidation base and a particular heteroaryl coupler

The present invention relates to a method for coloring keratin fibers, comprising: &#x2014;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 &#x3b4;H of less than or equal to 16 Mpa, then &#x2014;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.

Hair colouring method employing a chromene or chroman dye, a particular organic compound, an oxidizing agent, an alkaline agent and a metal salt

Composition comprising a non-nitrogenous zinc salt and a particular cationic surfactant The present invention relates to a cosmetic composition comprising, in a cosmetically acceptable medium, at least one particular zinc salt and at least one cationic surfactant chosen from particular quaternary ammonium salts, in a specific weight ratio. Another subject of the invention relates to a process for treating keratin fibers, using such a composition, and to the use of such a composition, preferably in the form of a leave-on care product, for conditioning keratin fibers and protecting their artificial color from fading.

Composition comprising a non-nitrogenous zinc salt and a particular cationic surfactant

Dyeing process using a natural dye on keratin fibers that have undergone permanent reshaping The present invention relates to a process for dyeing keratin fibers, in particular human keratin fibers such as the hair, in which: a) an aqueous alkaline composition comprising one or more alkaline agents in an amount such that the pH of the composition is greater than at least 10 is applied to the said fibers, or a reducing composition comprising one or more reducing agents and then an oxidizing composition are applied to the said fibers, b) the said fibers are optionally rinsed, c) optionally, the treatment is neutralized, and the fibers are washed with shampoo and rinsed, d) optionally, the fibers are dried or left to dry, e) a dye composition comprising, in a cosmetically acceptable medium, one or more natural dyes is applied to the said fibers, f) optionally, the fibers are washed and rinsed, g) the fibers are dried or left to dry.

Dyeing process using a natural dye on keratin fibres that have undergone permanent reshaping

The present invention relates to a cosmetic composition comprising, in a cosmetically acceptable medium, at least one non-nitrogenous zinc salt and at least one starch, in a weight ratio of the amount of starch to the amount of zinc element ranging from 0.01 to 20. Another subject of the invention relates to a process for treating keratin fibers, using such a composition, and to the use of such a composition, preferably in the form of a leave-on care product, for conditioning keratin fibers and for protecting their artificial color from fading.

Cosmetic composition comprising a particular zinc salt and a starch

The present invention relates to a process for dyeing hair using at least one water-insoluble silicate, at least one compound of formula (I), in which Y represents a C1-C4 hydroxyalkyl group or a C1-C4 hydroxyalkyloxy radical, n denotes an integer ranging from 0 to 5, X, which may be identical or different, represents a C1-C4 alkyl radical or a halogen; and at least one hydroxylated aliphatic solvent comprising therein from 2 to 6 carbon atoms. 

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Paris, France

Boris Lalleman