| abstract |
(57) [Summary] [Object] To provide a skin activating agent having a stronger glycosaminoglycan production promoting action and a skin external preparation containing the same. [Structure] A skin activator containing one or more 1-acyl lysophospholipids represented by the following general formulas (I) and (II) as an active ingredient, and a skin external preparation containing the same. Embedded image Embedded image [In the above formula, R 1 represents a saturated fatty acid residue having 11 to 18 carbon atoms or a fatty acid residue having 18 carbon atoms and 1 to 3 unsaturated double bonds, and R 2 represents 13 to 18 carbon atoms. Or a saturated fatty acid residue having 18 carbon atoms and having 1 to 3 unsaturated double bonds, and M represents H or an alkali metal atom. |