USE OF ALKYL OXAZOLIDINONE AS COSMETIC AGENT FOR SKIN MOISTURE RETENTION AND SKIN MOISTURE RETENTION METHOD

摘要

PROBLEM TO BE SOLVED: To provide novel cosmetic agents for skin moisture retention having a skin moisture retention effect, and to provide cosmetic compositions for skin moisture retention containing the cosmetic agents for skin moisture retention.SOLUTION: A cosmetic agent for skin moisture retention consists of 4-decyloxazolidine-2-one. The cosmetic composition for skin moisture retention is in the emulsion form having a fat phase, wherein the 4-decyloxazolidine-2-one is included in the fat phase. The emulsion has a neutralized aqueous phase, the aqueous phase is neutralized by the addition of a sodium hydroxide solution, and the fat phase preferably contains 14.5% by weight of hydrogenated polyisobutene.SELECTED DRAWING: None