摘要:
The invention relates to a composition for topical use containing at least one oxidation sensitive hydrophilic active principle and at least one maleic anhydride copolymer, comprising one or more maleic anhydride comonomers and one or more comonomers selected from the group consisting of vinyl acetate, vinyl alcohol, vinylpyrrolidone, olefins containing from 2 to 20 carbon atoms, and styrene, in a physiologically acceptable medium containing an aqueous phase. The invention also relates to the use of a maleic anhydride copolymer as defined above for stabilizing an oxidation-sensitive hydrophilic active principle, in particular in the aqueous phase.
摘要:
The present invention relates to calibrated oily particles comprising at least one hydrophobic sunscreen and comprising at least one oily phase structured with at least one gelling polymer, characterized in that it has a mean size of less than or equal to 20 μm, in that the said structured oily phase has a melting point of greater than or equal to 40° C. and in that their circularity index is between 0.9 and 1.
摘要:
The present invention relates to nanocapsules consisting of a lipid centre forming or containing a lipophilic active principle, and of a water-insoluble continuous envelope comprising at least one polyester of poly(alkylene adipate) type as well as to cosmetic and/or dermatological compositions containing the said nanocapsules based on poly(alkylene adipate).
摘要:
Individualized porous particles have a volume-average diameter of less than or equal to 10 μm and a specific surface area of greater than or equal to 1 m2/g, and include at least one cosmetically or pharmaceutically active compound present at least inside the particles.
摘要:
The invention relates to a composition containing at least one hydrophilic active principle and at least one amphiphilic polyisobutylene polymer. The invention also relates to the use of such a polymer for stabilizing an oxidation-sensitive hydrophilic active principle, in particular in the aqueous phase. The present invention also relates to the uses of this composition.
摘要:
Composition in the form of a stable dispersion. This composition comprises:(a) from 60 to 98% by weight of an aqueous phase, and (b) from 2 to 40% by weight of an oily phase, said oily phase being dispersed in said aqueous phase and stabilized using cubic gel particles, said particles being essentially formed of: (i) 0.1 to 15% by weight, relative to the total weight of the composition, of at least one component selected from the group consisting of 3,7,11,15-tetramethyl-1,2,3-hexadecanetriol or phytanetriol, N-2-alkoxycarbonyl derivatives of N-methylglucamine and unsaturated fatty acid monoglycerides, and (ii) 0.05 to 3% by weight, relative to the total weight of the composition, of a dispersing and stabilizing agent, said agent being selected from the group consisting of surface-active agents which are water-soluble at room temperature, containing a linear or branched, saturated or unsaturated fatty chain having from 8 to 22 carbon atoms. Use in particular in the cosmetic, dermatological and pharmaceutical fields.
摘要:
A method for depigmenting and/or lightening the skin and/or hair, including body hair, including applying a composition including at least one oxidation-sensitive hydrophilic active principle chosen from ascorbic acid and its derivatives and at least one maleic anhydride copolymer, comprising one or more maleic anhydride comonomers and one or more comonomers chosen from vinyl acetate, vinyl alcohol, vinylpyrrolidone, olefins comprising from 2 to 20 carbon atoms, and styrene, in a physiologically acceptable medium comprising an aqueous phase, to the skin and/or hair.
摘要:
Microcapsules containing a polymeric and/or waxy envelope encapsulating an aqueous medium containing an acrylic polymer containing a phosphorylcholine group. Composition containing these microcapsules. Application to, caring for, and to making up keratinous substances.
摘要:
W/O or O/W stable dispersions are formed by mixing an oily phase and an aqueous phase when the dispersion is stabilized with cubic gel particles formed by the combination of two amphiphilic compounds, one of the amphiphilic compounds being capable of forming a lamellar phase in the presence of water, and the other being capable of forming an inverse hexagonal phase in the presence of water.
摘要:
The invention relates to a composition for topical use containing, in a physiologically acceptable medium having an aqueous phase, at least one oxidation-sensitive hydrophilic active principle and at least one non-crosslinked N-vinylimidazole polymer or copolymer, the active principle and the said polymer or copolymer both being in the aqueous phase.