| 摘要 |
PURPOSE:A cosmetic useful for the skin and hair, safe for human body and improved stability with time, obtained by blending a cosmetic component with an N-alkyl-amino sugar sugaralcohol or its salt. CONSTITUTION:A cosmetic component is blended with 0.001-30wt% N-alkyl- amino surgar sugaralcohol such as N-methyl-D-erythrosamine based on total amount of cosmetic. The cosmetic provides the skin with smoothness, wettness, softening effect on keratin, and improving effect on the skin, supplies hair with gloss, softness, raises makeup effect on hair and improves combing properties. The use of it together with an acid can provide pH buffering effect, emulsification improving effect, etc. When it is used as an alkalizing agent for a cold wave agent, its smell is much better than ammonia, etc. The N-alkyl-amino sugar sugaralcohol is obtained by reacting a saccharide of >= tetrasaccharide with an alkylamine, followed by reduction. |
