CHOLESTEROL EMULSIFIER IN COSMETICS

摘要

. A cosmetic composition comprising a cosmetic oil component, water and a specific emulsifier are disclosed. The specific emulsifier comprises a branched fatty acid cholesterol ester of the formula (1) (I) where R is a saturated aliphatic hydrocarbon group having total of 11 to 23 carbon atoms and including at least one alkyl substituent group attached on the main chain inbetween the carboxyl-bonding position and the center of the main chain, and: cholesterol; wherein said branched fatty acid cholesterol ester and said cholesterol are in a weight ratio of 90:10 to 10:90.