| abstract |
(57) [Abstract] [Problem] To improve the sticky feeling peculiar to oil-based raw materials, and to provide a feeling of use such as stretch, familiarity, and smoothness to the skin, smoothness and softness to hair, and conditioning such as good combability. To provide cosmetics with excellent effects. An ester of an N-long-chain acyl-neutral amino acid having a linear or branched saturated or unsaturated acyl group having 6 to 22 carbon atoms, wherein the hydrocarbon group constituting the alcohol moiety is A N-long-chain acyl neutral amino acid ester (component A) which is a straight-chain or branched-chain saturated or unsaturated hydrocarbon group having 1 to 10 carbon atoms or / and a straight-chain or 6- to 22-carbon atom; A diester of an N-long-chain acyl acidic amino acid having a saturated or unsaturated branched-chain acyl group, wherein the hydrocarbon group constituting the alcohol site has a saturated or straight-chain or branched chain having 1 to 10 carbon atoms. A cosmetic composition comprising, as active ingredients, a diester of an N-long-chain acyl acidic amino acid (component B), which is an unsaturated hydrocarbon group, and an oily raw material for cosmetics (component C). |