| abstract |
Cosmetic composition of oil-in-water emulsion type comprising: (1) hydrophobic silica airgel particles having a specific surface area per unit mass (SM) ranging from 500 to 1,500 m2 / g, preferably 600 to 1,200 m2 / g and even better from 600 to 800 m2 / g, and a size, expressed as mean diameter in volume 5 (D [0.5]), ranging from 1 to 1,500 μm, preferably from 1 to 1,000 μm, even more preferably from 1 to 100 μm, in particular from 1 to 30 μm, more preferably from 5 to 25 μm, even better from 5 to 20 μm and even better still from 5 to 15 μm; (2) at least one gemini surfactant of formula (I): ** Formula ** in which: - R1 and R3 indicate, independently of one another, an alkyl radical containing from 1 to 25 carbon atoms; - R2 indicates a spacer consisting of a linear or branched alkylene chain containing 1 to 12 carbon atoms; - X and Y indicate, independently of one another, a group - (C2H4O) a- (C3H6O) bZ, where: * Z indicates a hydrogen atom or a radical -CH2-COOM, -SO3M, -P (O) ( OM) 2, -C2H4-SO3M, -C3H6-SO3M or -CH2 (CHOH) 4CH2OH, where M represents H or an alkali metal ion or an alkaline earth metal ion or an ammonium ion or an alkanolammonium ion, * a varies from 0 to 15, * b varies from 0 to 10, and * the sum of a + b varies from 1 to 25; and - n varies from 1 to 10; and (3) at least one fatty phase comprising at least one fatty substance chosen from solid fatty substances and pasty fatty substances. |