| 摘要 |
PURPOSE:A cosmetic useful as toilet powder, body powder, sweat anti-sweat agent, foundation, etc., having improved adhesivity to the skin, safety and stability, containing at least one of 8-22C straight-chain or branched chain alpha-amino fatty acid. CONSTITUTION:A cosmetic containing 8-22C straight-chain or branched chain alpha-amino fatty acid such as alpha-aminocaprylic acid, alpha-aminopelargonic acid, alpha- aminocapric acid, alpha-aminolauric acid, alpha-aminomyristic acid, etc., as one component of cosmetic powder. The alpha-amino fatty acid shows low irritation to the skin, improved spread on the skin, improved adhesivity to the skin and covering power, Since balance of hydrophilic group and hydrophobic group is easily changed by varying hydrophobic carbon chain, dispersibility into an oily base or an aqueous base and absorption characteristics of sweat, secretion, etc., can be adjusted and the alpha-amino acid fitting the aimed cosmetic properties can be selected. |
