Abstract: Provided is a dispersion of polymer particles, wherein the polymer is surface-stabilized with a stabilizer in a non-aqueous medium containing at least one hydrocarbon-based oil. The polymer of the particles is a C1-C4 alkyl (meth)acrylate polymer; and the stabilizer is an isobornyl (meth)acrylate polymer. Also provided is a composition that comprises the dispersion of polymer particles. The dispersion can be used as a cosmetic for caring for and making up of keratin materials.

Abstract: Compositions containing at least one dispersion of acrylic polymer particles, at least one volatile oil, at least one coloring agent, at least one thickening agent, and at least about 15% by weight with respect to the weight of the composition of at least one plasticizing agent are provided.

Abstract: The invention relates to a dispersion of polymer particles, said polymer being surface-stabilized with a stabilizer in a non-aqueous medium containing at least one hydrocarbon-based oil, the polymer of the particles being a C1-C4 alkyl (meth)acrylate polymer; the stabilizer being an isobornyl (meth)acrylate polymer. The invention also relates to the composition comprising the said dispersion of polymer particles. Cosmetic use for caring for and making up keratin materials.

Abstract: Compositions containing at least one dispersion of acrylic polymer particles, at least one volatile oil, at least one coloring agent, at least one thickening agent, and at least about 15% by weight with respect to the weight of the composition of at least one plasticizing agent are provided.

Abstract: The present invention relates to a cosmetic composition comprising: a) at least one polysiloxane bearing a joining group, corresponding to one of the following formulae (IIa) and (IIb): in which: the R radicals represent a C1-C20 hydrocarbon-based group; the Q1, Q2 and Q3 radicals represent either an R radical as defined above; or a joining group capable of forming at least 3 H bonds; it being understood that at least one of the Q1 to Q3 radicals is other than R in formula (IIa); the Q4 divalent radical represents a joining group capable of forming at least 3 H bonds; b) a polyalkene-based supramolecular polymer which can be obtained by reaction of a functionalised polyalkene polymer with a functionalised joining group, said joining group being capable of forming at least 3 H (hydrogen) bonds. The invention also relates to a cosmetic treatment process using said composition.

Abstract: Disclosed herein is a nail varnish composition comprising, in a cosmetically acceptable medium, at least one film-forming polymer, wherein the varnish composition is capable of forming a film having a rate of mass loss of less than 0.5 mg/minute when the film is subjected to abrasion produced with the Taber abrasimeter at 23° C., as well as a method for making up and/or non-therapeutic care of the nails comprising applying to the nails the composition.

Abstract: The present invention relates to a cosmetic process for softening the wrinkles of wrinkled skin comprising a stage consisting in applying, to said wrinkled skin, a cosmetic composition, in particular an anti-wrinkle composition, comprising, in a physiologically acceptable medium suitable for topical application to the skin of the face: from 0.1 to 20% by weight of at least one tensioning agent, with respect to the total weight of the composition, and at least one dispersion in a liquid fatty phase of solid particles of a grafted ethylenic polymer. This composition makes it possible to contribute a persistent tensioning effect to the keratinous substances to which it is applied.

Abstract: The present invention relates to a cosmetic composition adapted for a topical application on the skin, especially an anti-wrinkle composition, comprising, in a medium compatible with the skin: at least one tensioning agent, the said tensioning agent being present in a content ranging from 0.01% to 20% relative to the total weight of the composition; and at least one non-elastomeric, water-in soluble film-forming linear block ethylenic polymer, the said polymer being present in a content ranging from 0.01% to 20% relative to the total weight of the composition. This composition makes it possible to give a remanent tensioning effect to the skin to which it is applied.

Abstract: A cosmetic composition includes, in a physiologically acceptable medium, at least one statistical copolymer with a linear main chain of ethylenic nature, in which the copolymer: (i) has a weight-average molecular mass of between 15,000 and 600,000 g/mol, and has: (a) at least 70% by weight of “monomer units” derived from monomers for which the homopolymers are hydrophobic and have a glass transition temperature of greater than 40° C., (b) at least one “monomer unit” derived from an at least partially neutralized ionic hydrophilic monomer, (c) 0 to 25% by weight of “monomer units” derived from additional monomers for which the homopolymers have a glass transition temperature of less than 40° C.

Abstract: Linear block ethylenic copolymer comprising: at least two blocks with different glass transition temperatures (Tg); at least one of these blocks having a glass transition temperature of greater than or equal to 20° C.; said polymer also having mechanical parameters that satisfy at least one of the following three conditions: a Young's modulus E such that: 500 MPa?E?2000 MPa; an ultimate strain ?r such that: 5%??r?50%; an ultimate strain energy wr such that: 0.1×105 J/m3<wr<150×105 J/m3. Cosmetic composition comprising said polymer. The copolymer makes it possible to improve the styling power and the hold of a hair lacquer, to increase the adhesion and the wear strength of a nail varnish and to improve the staying power of a makeup composition without the compositions being tacky.

Abstract: The present disclosure relates to a nail varnish composition comprising at least one film-forming gradient copolymer exhibiting a mass polydispersity index (PI) of less than or equal to 2.5, the said composition being capable of forming a film exhibiting a rate of loss of weight of less than 1 mg/minute when the film is subjected to abrasion produced with the Taber abrasion tester at 23° C.

Abstract: A nail varnish composition comprising, in a cosmetically acceptable medium, at least one film-forming gradient copolymer comprising at least two different monomeric units and exhibiting a mass polydispersity index (PI) of less than or equal to 2.5, the composition being capable of forming a film having an adhesion corresponding to a detachment percentage of less than 45%; a cosmetic process for making up and/or caring for the nails comprising the application to the nails of the cosmetic composition.

Abstract: Disclosed herein is a nail varnish composition comprising, in a cosmetically acceptable medium, at least one film-forming polymer, wherein the varnish composition is capable of forming a film having an adherence, measured according to the ASTM D 3359-7 standard, corresponding to a percentage of detachment of less than 35%, as well as a method for making up and/or non-therapeutic caring of nails comprising applying to the nails the nail varnish composition.