| 摘要 |
PURPOSE:A cosmetic composition exhibiting improved effect on prevention and improvement of skin abnormality caused by lipid peroxide, such as melasma, livers spot, recurrent dermatities, dermatitis by cosmetic, pimple, etc., containing saponin of soybean as an active ingredient. CONSTITUTION:A cosmetic composition containing 0.05-0.5wt saponin powder of soybean based on the total amount of the composition(total saponin content is calculated as 85-95wt%) in the form of a solution in a solvent such as water, alcohol, etc. or dispersion. Saponin of soybean shows extremely improved effect on prevention and remedy of skin abnormality considered to be caused by lipid peroxide, and is suitable as a blending component of a cosmetic. Saponin of soybean is obtained by extracting and separating from soybeans and purifying with a solvent, or absorbing selectively it from an extracted solution with a resin absorbent, followed by purification. |
