Use of cosmetic composition comprising amphoteric surfactant which comprises quaternary ammonium compounds, for inactivating and/or eliminating mites, preferably Demodex folliculorum on skin, preferably human facial skin and/or scalp

摘要

Use of a cosmetic composition comprising at least one amphoteric surfactant which comprises quaternary ammonium compounds (I), for inactivating and/or eliminating mites on skin, is claimed. Use of a cosmetic composition comprising at least one amphoteric surfactant which comprises quaternary ammonium compounds of formula (I), for inactivating and/or eliminating mites on skin, is claimed. R1 : -(CH 2) m-N(H)-C(O)-R5 or optionally branched and optionally mono-saturated or polyunsaturated 7-23C alkyl or 7-23C alkenyl; R2, R3 : H, 1-4C alkyl or -(CH 2) n-OH; R4 : -(CH 2) o-X; R5 : optionally branched and optionally mono-saturated or polyunsaturated 7-23C alkyl or 7-23C alkenyl; m, n, o : 1-3; and X : -COO- or -SO 3-. An independent claim is also included for cosmetic and non-therapeutic method for visual improvement and/or preservation of appearance of human skin, comprising applying the above cosmetic composition on the skin, and optionally rinsing with water after a contact time of 30 seconds to 24 hours. [Image].