Abstract: A composition for washing a keratinous substance comprising, in a cosmetically acceptable aqueous or aqueous/alcoholic medium, at least one linear block copolymer comprising at least one hydrophobic block and at least one hydrophilic block, with the exception of block copolymers of ethylene oxide and of propylene oxide, block copolymers comprising urethane units and block copolymers comprising siloxane units, at least one polymer chosen from cationic and amphoteric polymers, and at least one anionic surface-active agent in combination with at least one additional surface-active agent chosen from nonionic surface-active agents and amphoteric surface-active agents, and a method for washing keratinous substances, for example, keratinous fibers using said composition.

Abstract: A process for preparing compounds from the polysaccharide betainate family, novel compounds so obtained, and their use in cosmetics or in dermatology, as well as the compositions, such as cosmetic or dermatological compositions, comprising said novel compounds.

Abstract: Disclosed herein is an aqueous dye composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a suitable dyeing medium: (a) at least one oxidizing agent, (b) at least one water-insoluble oxygenated organic non-dyeing compound, present in an amount of at least 30% by weight relative to the total weight of the dye composition, and (c) at least one oxidation dye precursor and/or at least one direct dye. Also disclosed herein is a process for dyeing human keratin fibers, for example, the hair, comprising applying such a composition to the keratin fibers.

Abstract: Disclosed herein is a composition for the non-oxidizing aqueous direct dyeing of keratin materials, for example, human keratin fibers, such as the hair, comprising, in a cosmetically acceptable medium: (a) at least one water-soluble direct dye, and (b) at least one water-insoluble non-coloring oxygenated organic compound, present in an amount of at least 30% by weight relative to the total weight of the composition. Also disclosed herein is a process for direct dyeing keratin fibers comprising applying said composition to the fibers.

Abstract: The present disclosure relates to a ready-to-use oxidizing composition for treating keratin fibers, such as human keratin fibers, comprising, in a cosmetically acceptable medium: (a) at least one oxidizing agent; (b) at least 30% by weight of at least one water-insoluble oxygenated organic non-dyeing compound relative to the total weight of the composition; and (c) at least 20% by weight of water relative to the total weight of the composition. The present disclosure also relates to processes for bleaching, stripping, dyeing, lightening or permanently reshaping human keratin fibers, such as the hair, using the claimed composition.

Abstract: The present invention relates to a composition for washing keratinous substances, preferably keratinous fibers, comprising, in a cosmetically acceptable aqueous medium, at least one anionic or nonionic, amphiphilic linear block copolymer comprising at least one hydrophobic block and at least one hydrophilic block, with the exception of block copolymers of ethylene oxide and of propylene oxide, block copolymers comprising urethane units and block copolymers comprising siloxane units, at least one nonvolatile silicone, and at least one anionic surface-active agent in combination with at least one nonionic and/or amphoteric surface-active agent, and to the use of such a composition for washing keratinous substances.

Abstract: 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° 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 invention makes it possible to rapidly obtain substantial lightening of keratin fibers while limiting the degradation of the keratin fibers and skin irritation.

Abstract: Topically applicable cosmetic/dermatological compositions suited for improving the condition of human keratin fibers, notably human hair, especially for reducing or stopping loss and/or inducing and/or stimulating growth and/or density thereof, contain a thus effective amount of (a) at least one derivative of glucose and of vitamin F, solubilized in a topically applicable, physiologically acceptable medium therefor which includes (b) at least one nonionic surfactant having a hydrophilic/lipophilic balance (HLB) of greater than 10, (c) at least one C1-C4 alcohol and (d) water.

Abstract: The disclosure provides cosmetic compositions comprising, in a cosmetically acceptable medium, at least one block copolymer comprising at least a first hydrophilic block and at least a second block that is chosen from a second hydrophilic block, wherein the second hydrophilic block is different than the first hydrophilic block, and a hydrophobic block, wherein the hydrophilic block(s) represent at least 30% by weight of the at least one block copolymer, at least one amino silicone, and at least one nonpolymeric thickener chosen from at least one fatty alcohol and at least one amide. The present disclosure also provides uses of the compositions for the disentangling, smoothing, and imparting sheen to keratin fibers such as hair.

Abstract: The present disclosure relates to cosmetic compositions comprising, in a physiologically acceptable aqueous medium, a combination of at least one associative polymer comprising at least one hydrophilic part and at least one C8-40 fatty chain, and at least one linear diblock block copolymer composed of a hydrophobic block and a hydrophilic block, with the proviso that the at least one linear diblock block copolymer is not chosen from block copolymers of ethylene oxide and propylene oxide, block copolymers with urethane units, and block copolymers with siloxane units. The present disclosure also relates to the use of such a combination for thickening or gelling aqueous cosmetic compositions.

Abstract: The invention relates to a composition for dyeing keratin fibres, comprising a physiologically acceptable aqueous medium, comprising: at least one dye bearing at least one ionic group, said dye being present in an amount ranging from 0.001 to 5% by weight relative to the total weight of the composition; at least one block copolymer comprising at least one water-soluble nonionic block and at least one ionic block exhibiting charges opposite to that of the ionic charge borne by the dye.

Abstract: Topically applicable cosmetic/dermatological compositions useful for treating dandruff and/or squamae of the human scalp contain at least one anti-fungal agent selected from the group consisting of pyridinethione salts, 1-hydroxy-2-pyrrolidone compounds, 2,2?-dithiobis(pyridine N-oxide) and selenium sulfides, and mixtures thereof, and at least one wholly hydrophilic block copolymer which comprises at least one polyionic block, formulated into a topically applicable, physiologically acceptable medium therefor.

Abstract: The present invention relates to a composition for treating keratin materials made by percolating fluid at a pressure of at least 3 bar through at least one non-coloring cosmetic active agent sensitive to an external stimulus, in solid or pasty form. Process for preparation, device for packaging and producing the composition, and methods of use.

Abstract: The present invention relates to a process for preparing a composition useful, for example, for the treatment of keratin materials, in particular the skin and human keratin fibres such as the hair, to the composition prepared, and also to a process for treating keratin materials using this composition.

Abstract: The present invention relates to a composition for washing and conditioning keratin fibers, comprising, in a cosmetically acceptable medium: at least one washing base comprising at least one anionic surfactant, and at least one anionic or nonionic amphiphilic diblock copolymer, comprising a hydrophilic block and a hydrophobic block, other than a diblock copolymer of ethylene oxide and of propylene oxide, a urethane block copolymer and a siloxane block copolymer, where the amphiphilic diblock copolymer has a ratio of the number of monomer units in the hydrophilic block to the number of monomer units in the hydrophobic block ranging from 7 to 24. The invention also relates to the method of using this composition for washing and conditioning keratin fibers, such as hair, and to a process for washing and conditioning keratin fibers using it.

Abstract: The present invention relates to a composition for washing keratinous substances, preferably keratinous fibers, comprising, in a cosmetically acceptable aqueous medium,

Abstract: The present invention relates to a process for the preparation of a cationic nanoemulsion, to a cosmetic composition obtainable by said process and to the use of said composition.

Abstract: A cosmetic composition pressurized as an aerosol in the presence of a propellant and forming a mousse, comprising, in a cosmetically acceptable medium, at least one associative polyurethane and at least one anionic polymer, and to the use of an associative polyurethane in order to improve the properties of mousses based on anionic polymer and propellant.

Abstract: The invention relates to novel hair detergent an conditioning compositions comprising, in a cosmetically acceptable medium, an anionic surfactant, an amphoteric, at least one amphoteric polysaccharide selected from among celluloses, inulins and guar gums and with at least on water-insoluble conditioning agent selected from a) synthetic oils, B0 silicones having a viscosity greater than or equal to 1,000 mm 2/s, polysiloxanes, the general structure thereof comprising one or more organofunctional groups, C) animal or vegetable oils, D) waxes, E) carboxylic acid esters, F) ceramide-type compounds. The inventive compositions are intended for hair care and cleaning.

Abstract: A composition for washing a keratinous substance comprising, in a cosmetically acceptable aqueous or aqueous/alcoholic medium,