L'oreal

Loreal Sa

Rhone-poulenc Chimie

Florence Tournilhac

Patricia Lemann

Frédéric Auguste

Arnaud Ponce

Isabelle Bara

Xavier Blin

Jean-Christophe Simon

Annick Collette

Jean Aulnay Mondet

Isabelle Hansenne

Jean-Marie Bernard

Raluca Lorant

Pascal Simon

Anil Shah

Angelike Galdi

Isabelle Afriat

Shao Xiang Lu

Philippe Jost

Wei Hong Yu

Frederic Auguste

Jean-Luc Lepage

Béatrice Toumi

Fr&eacute;d&eacute;ric Auguste

B&eacute;atrice Toumi

Rolf Klucker

Care and/or make-up cosmetic composition comprising: a liquid continuous fatty Phase structured with at least one structuring polymer (homopolymer or copolymer) having a weight-average molecular mass ranging from 500 to 500 000, containing at least one moiety comprising: at least one polyorganosiloxane group consisting of 1 to 1 000 organosiloxane units in the chain of the moiety or in the form of a graft, and at least two groups capable of establishing hydrogen interactions, Chosen from ester, amide, sulphonamide, carbamate, thiocarbamate, urea, urethane, thiourea, oxamido, guanidino and biguanidino groups, and combinations thereof, the polymer being solid at room temperature and soluble in the liquid fatty Phase at a temperature of 25 to 250&#xb0; C., the Said liquid fatty Phase comprising at least one compound capable of reducing the enthalpy of fusion of the structuring polymer, and then the liquid fatty Phase, the structuring polymer and the compound capable of reducing the enthalpy of fusion of the structuring polymer forming a physiologically acceptable medium.

Care and/or make-up cosmetic composition structured with silicone polymers

The invention relates to a physiologically acceptable composition, especially a cosmetic composition, comprising at least one polyorganosiloxane containing polymer comprising at least one moiety which comprises: at least one polyorganosiloxane group consisting of 1 to about 1000 organosiloxane units in the chain of the moiety or in the form of graft, and at least two groups capable of establishing hydrogen interactions.

Cosmetic composition containing a polyorganosiloxane polymer

A composition for coating a keratinous fiber comprising, in a cosmetically acceptable medium, at least one volatile solvent and a nonvolatile fraction comprising: The composition makes it possible to obtain good curling of keratinous fibers, such as eyelashes.

Mascara comprising solid particles

A composition for coating keratinous fibers, comprising, in a cosmetically acceptable medium comprising at least one volatile solvent, a nonvolatile fraction comprising: a) at least one polymer capable of adhering to the keratinous fibers, b) particles which are solid at 25&#xb0; C. chosen from: i) solid particles of a crystalline or semicrystalline material, ii) solid particles of an amorphous material, iii) solid particles of at least one wax having a hardness of greater than or equal to 6.5 MPa iv) and mixtures thereof. The solid particles are present in the composition in an amount such that the volume fraction of the solid particles is less than or equal to 50% of the total volume of the said nonvolatile fraction. The composition can make it possible to obtain good curling of keratinous fibers, such as eyelashes.

The present invention relates to a care and/or make-up composition for the skin and/or lips of human beings, containing a liquid fatty phase comprising at least one anhydrous solvent, structured by a thermotropic liquid crystal polymer in order to obtain media having approximately the consistency of a gel at ambient temperature and that of a fluid when applied to the skin or lips of human beings.

Cosmetic composition structured by a thermotropic liquid crystal polymer

A composition for coating keratinous fibers comprising, in a cosmetically acceptable medium, at least one volatile solvent and a nonvolatile fraction comprising: The composition makes it possible to obtain good curling of keratinous fibers, such as eyelashes.

A composition for coating keratinous fibers, such as eyelashes or hair, comprising a wax-in-water dispersion comprising, in a cosmetically acceptable medium, a nonvolatile fraction comprising: at least one polymer capable of adhering to the keratinous fibers, particles which are solid at 25&#xb0; C. of a wax chosen from waxes having a melting point of less than 77&#xb0; C. and a hardness greater than or equal to 6.5 MPa. The solid particles are present in the composition in an amount such that the volume fraction of the solid particles of wax is greater than or equal to 50% of the total volume of the nonvolatile fraction of the composition. The composition can make it possible to obtain good curling of keratinous fibers, such as eyelashes.

The invention relates to a cosmetic makeup composition and/or care composition for the skin and the lips, comprising a dispersion, in a cosmetically acceptable medium, of particles comprising at least one at least partially external supple phase comprising at least one supple polymer having at least one glass transition temperature of less than or equal to 60&#xb0; C., and an at least partially internal rigid phase which is an amorphous material having a glass transition temperature of greater than 60&#xb0; C., the supple polymer being at least partially attached by chemical grafting onto the rigid phase. The invention also relates to the use of such a particle dispersion to improve the comfort and staying power of cosmetic compositions.

Cosmetic composition comprising a particle dispersion

The invention relates to a cosmetic makeup and/or care composition for the keratin fibers and/or the skin, comprising at least one particle dispersion comprising one at least partially external phase of supple type comprising at least one supple polymer, with a glass transition temperature of less than or equal to 60&deg; C. and one at least partially internal phase of rigid type which is a functionality crystalline or semi-crystalline material with a melting point of greater than 40&deg; C., and which is such that the supple polymer is at least partially attached by chemical grafting onto the said phase. The invention also relates to the use of such a particle dispersion for improving the level of comfort and staying power of cosmetic compositions comprising it.

Mascara comprising a particle dispersion

Anhydrous pigment paste and its use in cosmetics

The invention relates to a composition containing fibers and a copolymer comprising carboxylate groups and polydimethylsiloxane groups. The composition according to the invention may especially constitute a care or make-up composition for keratin materials such as the skin, including the scalp, the lips of the face and integuments, for instance the eyelashes, the eyebrows, the nails and the hair. The invention also relates to the use of a copolymer comprising carboxylate groups and polydimethylsiloxane groups in a composition containing fibers to ensure a homogeneous dispersion of the fibers in the composition and to stabilize the composition.

Composition containing fibers and a dispersing copolymer

The present application relates to a composition in the form of an oil-in-water emulsion comprising an oily phase dispersed in an aqueous phase, characterized in that the composition is free of surfactant and in that it contains cellulose fibrils which have a length of greater than 1 micron and a length/diameter ratio of greater than 30. The invention also relates to the use of the composition, especially for the care, the treatment, the makeup or the cleansing of the skin, lips, eyelashes and/or hair, as well as for the care of sensitive or dry skin.

Composition in the form of an oil-in-water emulsion containing cellulose fibrils, and its uses, especially cosmetic uses

The present invention relates to a stable water-in-oil emulsion for cosmetic, pharmaceutical or hygiene use, comprising an aqueous phase and a fatty phase comprising a silicone oil, characterized in that it comprises at least one &agr;,&ohgr;-substituted oxyalkylenated silicone, the emulsion having a viscosity ranging from 100 cps to 200 poises, at 25&deg; C. and at a shear rate of 200 s . The invention also relates to the compositions comprising such an emulsion, and to its applications in the cosmetics field.

Growing community of inventors

Paris, France

Florence Tournilhac