COMPOSITION FOR EXTERNAL USE ON SKIN OR PASTE COMPRISING AEROGEL HAVING HYDROPHILIC AND HYDROPHOBIC SURFACE

摘要

Skin external preparation and paste. The external preparation for skin contains an aerogel powder comprising hybrid aerogel particles which are particles having a hydrophilic functional group and a hydrophobic functional group on the surface, and a solvent. Wherein the hydrophilic functional group is a hydroxyl group, and the hydrophobic functional group is hydrogen, a C1-C18 linear or branched alkyl group, a silyloxy group represented by the following formula (1), or a combination thereof. [Chemical Formula 1] * -OSiH _(3-n) R ¹_n Wherein R ¹ is a linear or branched alkyl group having ¹ to 18 carbon atoms, n is an integer of 0 to 3, and * indicates a bond.