| 摘要 |
<p>A surfactant containing at least one trehalose-6-fatty acid ester represented by general formula (I) (wherein R represents C8-C22 (un)saturated acyl which may be substituted by OH, etc.) and excellent in surface activity and safety; an emulsion cosmetic containing the surfactant and a water-soluble polymer, excellent in prolonged storage stability and organoleptic characteristics, and reduced in skin stimulation, and having a beautiful appearance with a fine texture; and a liposome having a membrane wall comprising the trehalose ester and being excellent in physical and chemical stabilities such as prolonged preservability.</p> |
