PREPARATION FOR EXTERNAL APPLICATION TO SKIN CONTAINING TRITERPENIC ACID

摘要

Disclosed is a preparation for external application to skin, which contains a triterpenic acid typified by ursolic acid and the like. For obtaining a preparation for external application to skin having excellent storage stability by improving the dissolution stability of the triterpenic acid and the like, 4-alkylresorcinol such as 4-n-butylresorcinol is added into a preparation for external application to skin containing a triterpenic acid such as ursolic acid and the like.