Cosmetic and dermatological compositions, including color changing compositions, are provided which typically include a plurality of synthetic particles having a size in the micrometer or nanometer range. Each synthetic particle typically includes one or more aggregates of a pigment selected from phenoxazone, phenoxazine, and a derivate or precursor thereof, and a stabilizing material which has a refractive index larger than 1.45; the aggregates having a size larger than about 100 nm and the composition being biodegradable and biocompatible.

The present invention relates to a composition in the form of an emulsion, comprising: (a) at least one oil-absorbable organic particle which has an oil-absorbing capacity of 170 ml/100 g or more, preferably 250 ml/100 g or more, and more preferably 400 ml/100 g or more, and a volume-average particle size of less than 30 μm, preferably less than 25 μm, and more preferably less than 20 μm, (b) at least one oil; (c) at least one emulsifier; (d) water; and (e) optionally at least one additional oil-absorbable particle, wherein the oil-absorbing capacity of the total of the (a) oil-absorbable organic particle and the (e) additional oil-absorbable particle in the composition is more than 170 ml/100. The composition according to the present invention can provide long-lasting matte effects, while imparting excellent texture.

The present invention relates to a composition in the form of an emulsion, comprising: (a) at least one oil-absorbable organic particle which has an oil-absorbing capacity of 170 ml/100 g or more, preferably 250 ml/100 g or more, and more preferably 400 ml/100 g or more, and a volume-average particle size of less than 30 μm, preferably less than 25 μm, and more preferably less than 20 μm, (b) at least one oil; (c) at least one emulsifier; (d) water; and (e) optionally at least one additional oil-absorbable particle, wherein the oil-absorbing capacity of the total of the (a) oil-absorbable organic particle and the (e) additional oil-absorbable particle in the composition is more than 170 ml/100. The composition according to the present invention can provide long-lasting matte effects, while imparting excellent texture.

A stable sprayable cosmetic composition that includes at least one mineral UV filter; at least one oil phase rheology modifier; and water; wherein the cosmetic composition is a water-in-oil composition and wherein the viscosity at shear rate of about 1000 (1/s) is lower than about 110 mPa.Math.s. The cosmetic composition can be sprayed without requiring to be mixed with propellant.

The present invention relates to a polyester consisting of (A) repeat units derived from an acid component, which consists of (a1) 2,5-furandicarboxylic acid, (a2) an aliphatic C.sub.4-C.sub.36 dicarboxylic acid or a mixture of a plurality of aliphatic C.sub.4-C.sub.36 dicarboxylic acids, and (a3) a sulfonate group-containing dicarboxylic acid, and of (B) repeat units derived from a di-ol/amine component, and optionally of further repeat units (C) and/or branching components (E), and of (D) repeat units derived from at least one di- or oligofunctional compound selected from the group consisting of a di- or oligoisocyanate and a di- or oligoisocyanurate. In addition, the present invention relates to the production of these polyesters and their use.

The present invention relates to a polyester consisting of (A) repeat units derived from an acid component, which consists of (a1) 2,5-furandicarboxylic acid, (a2) an aliphatic C.sub.4-C.sub.36 dicarboxylic acid or a mixture of a plurality of aliphatic C.sub.4-C.sub.36 dicarboxylic acids, and (a3) a sulfonate group-containing dicarboxylic acid, and of (B) repeat units derived from a di-ol/amine component, and optionally of further repeat units (C) and/or branching components (E), and of (D) repeat units derived from at least one di- or oligofunctional compound selected from the group consisting of a di- or oligoisocyanate and a di- or oligoisocyanurate. In addition, the present invention relates to the production of these polyesters and their use.

Provided are: a core-corona polymer particle excellent in emulsion stability and feeling of use, and a raw material for a cosmetic and an oil-in-water emulsion cosmetic comprising the particle. Certain embodiments of the present invention provides a core-corona polymer particle obtained by radical-polymerizing a polyethylene oxide macromonomer represented by formula (1) and one or two or more of hydrophobic monomers represented by formulas (2) and (3) under conditions (A) to (D).

Provided are: a core-corona polymer particle excellent in emulsion stability and feeling of use, and a raw material for a cosmetic and an oil-in-water emulsion cosmetic comprising the particle. Certain embodiments of the present invention provides a core-corona polymer particle obtained by radical-polymerizing a polyethylene oxide macromonomer represented by formula (1) and one or two or more of hydrophobic monomers represented by formulas (2) and (3) under conditions (A) to (D).

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(R.sup.1)—CH.sub.2—C(0)-]- unit (A) -[-0-CH(R.sup.2)—CH.sub.2—C(0)-]- unit (B) in which polymer units (A) and (B): —R.sup.1 represents a hydrocarbon-based chain chosen from i) linear or branched (C.sub.5-C.sub.28)alkyl, ii) linear or branched (C.sub.6-C.sub.28)alkenyl, iii) linear or branched (C.sub.6-C.sub.28)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; —R.sup.2 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 surfactants; it being understood that (A) is different from (B).

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(R.sup.1)—CH.sub.2—C(0)-]- unit (A) -[-0-CH(R.sup.2)—CH.sub.2—C(0)-]- unit (B) in which polymer units (A) and (B): —R.sup.1 represents a hydrocarbon-based chain chosen from i) linear or branched (C.sub.5-C.sub.28)alkyl, ii) linear or branched (C.sub.6-C.sub.28)alkenyl, iii) linear or branched (C.sub.6-C.sub.28)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; —R.sup.2 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 surfactants; it being understood that (A) is different from (B).