| 摘要 |
PURPOSE:A cosmetic capable of raising water retention ability of keratin layer and showing excellent improving and preventing effect on chapped skin, containing a lipid derivative extracted and isolated from skin, brain, egg, etc., of animal and a surface active agent. CONSTITUTION:A cosmetic containing a lipid derivative shown by formula I (R1 is 15C saturated or unsaturated hydrocarbon group; R2 is 16-26C which may contain H or OH; X is H, monosaccharide or polysaccharide residue) and a surface active agent. The lipid derivative is extracted and isolated from skin, brain, egg, etc., of animal and, for example, sphingosine, cerebroside, ganglioside, etc., may be cited as the lipid derivative. The amount of the lipid derivative is 0.01-40wt% in the case of emulsified cosmetic and 0.1-50wt% in the case of oily cosmetic. A glyceryl ether shown by formula II (R3 is 8-24C alkyl) is preferable as the surface active agent and the amount of the surface active agent blended is preferably 0.1-5wt%. |
