Abstract: The invention relates to a composition comprising: a) one or more polyhydroxyalkanoate (PHA) copolymers which contain, and preferably consist of, at least two different repeating polymer units chosen from the units (A) and (B) below, and also the optical or geometrical isomers thereof and the solvates thereof such as hydrates: -[-0-CH(R1)-CH2-C(0)-]- unit (A) -[-0-CH(R2)-CH2-C(0)-]- unit (B) in which polymer units (A) and (B): R1 represents a hydrocarbon-based chain chosen from: i) branched (C5-C9)alkyl, ii) (C10-C30)alkyl; iii) linear or branched (C5-C30)alkenyl; iv) linear or branched (C5-C30)alkynyl; v) (hetero)aryl; vi) (hetero)cycloalkyl; preferably the group i) (C10-C20)alkyl, or iii) (C8-C20)alkenyl; R2 represents a cyclic or non-cyclic, linear or branched, saturated or unsaturated hydrocarbon-based group, comprising from 1 to 30 carbon atoms; and b) a fatty medium comprising one or more fatty substances; preferably, the fatty substance(s) are liquid at 25°C and at atmospheric pressure; it being unders

Abstract: The present invention relates to a cosmetic composition comprising a) one or more polyhydroxyalkanoate (PH A) copolymers which contain, and preferably consist of, at least two different repeating polymer units chosen from the units (A) and (B) below, and also the optical or geometrical isomers thereof, the organic or mineral acid or base salts thereof, and the solvates thereof such as hydrates: -[-0-CH(R1)—CH2—C(0)-]- unit (A) -[-0-CH(R2)—CH2—C(0)-]- unit (B) in which polymer units (A) and (B): —R1 represents a hydrocarbon-based chain chosen from i) linear or branched (C5-C28)alkyl, ii) linear or branched (C6-C28)alkenyl, iii) linear or branched (C6-C28)alkynyl; preferably, the hydrocarbon-based group is linear; said hydrocarbon-based chain being optionally substituted and/or interrupted with atoms or groups as described in the description; —R2 represents a cyclic or non-cyclic, linear or branched, saturated or unsaturated hydrocarbon-based group, comprising from 3 to 30 carbon atoms; b) a fatty medium compri

Abstract: The present invention relates to a cosmetic composition comprising a) one or more polyhydroxyalkanoate (PHA) copolymers which contain, and preferably consist of, at least two different repeating polymer units chosen from the units (A) and (B) below, and also the optical or geometrical isomers thereof, the organic or mineral acid or base salts thereof, and the solvates thereof such as hydrates: -[-0-CH(R1)—CH2—C(0)-]- unit (A) -[-0-CH(R2)—CH2—C(0)-]- unit (B) in which polymer units (A) and (B): —R1 represents a hydrocarbon-based chain chosen from i) linear or branched (C5-C28)alkyl, ii) linear or branched (C6-C28)alkenyl, iii) linear or branched (C6-C28)alkynyl; preferably, the hydrocarbon-based group is linear; said hydrocarbon-based chain being optionally substituted and/or interrupted with atoms or groups as described in the description; —R2 represents a cyclic or non-cyclic, linear or branched, saturated or unsaturated hydrocarbon-based group, comprising from 3 to 30 carbon atoms; and b) one or more surfac

Abstract: The invention relates to a composition comprising: a) a polyhydroxyalkanoate copolymer comprising the following polymeric units A, B and C: —[—O—CH(R1)-CH2—CO—]-unit A —[—O—CH(R2)-CH2—CO—]-unit B —[—O—CH(R3)-CH2—CO—]-unit C in which: R1 denotes a linear alkyl radical having from 5 to 9 carbon atoms; R2 denotes a linear alkyl radical having a carbon number corresponding to the number of carbon atoms of the R1 radical ?2; R3 denotes a linear alkyl radical having a carbon number corresponding to the number of carbon atoms of the R1 radical ?4; b) an oily medium comprising a non-silicone oil chosen from ester oils, carbonate oils and nonpolar hydrocarbon oils having from 8 to 14 carbon atoms.

Abstract: Cosmetic use of at least one salicylic acid derivative of following formula (I) in which L represents a linear or branched hydrocarbon radical comprising from 1 to 12 carbon atoms and having or not having one or more ethylenic unsaturations, and X represents a radical chosen from —OH and —CO2H, and also its cosmetically acceptable salts, its solvates, such as its hydrates, and its isomers, in a composition comprising a physiologically acceptable medium, as cosmetic agent intended to promote the desquamation of the skin and/or to stimulate epidermal renewal.

Abstract: The present invention relates to a carbohydrate fraction isolated from a clarified lysate obtained by thermolysis and proteolysis of a biomass of bacteria belonging to the genus Vitreoscilla sp.

Abstract: Cosmetic use of at least one salicylic acid derivative of following formula (I) in which L represents a linear or branched hydrocarbon radical comprising from 1 to 12 carbon atoms and having or not having one or more ethylenic unsaturations, and X represents a radical chosen from —OH and —CO2H, and also its cosmetically acceptable salts, its solvates, such as its hydrates, and its isomers, in a composition comprising a physiologically acceptable medium, as cosmetic agent intended to promote the desquamation of the skin and/or to stimulate epidermal renewal.