| abstract |
It is an object of the present invention to provide a wrinkle-improving agent having an excellent wrinkle-improving action. The compounds represented by the following formulas (1) and / or (2) are used as the active ingredient of the anti-wrinkle agent. (Wherein R and R 'are each independently a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R "is an alkylene group having 1 to 3 carbon atoms, and n is 0 or 1 Indicates the number.) |