| abstract |
(57) Abstract: A wrinkle improver and an antiaging cosmetic containing a guanidine derivative represented by the formula (1) or (2) or an acid addition salt thereof. Embedded image (A and B are C2-C8 alkylene groups, D is a bond, —CO— or a C1 to C6 alkylene group, E is H, a lower alkyl group, etc., m is 1 to 6, n is 0 to 6, R 1 is H, a lower alkyl group, etc., k is 1 to 10, and G is H, -OH, etc.) [Effect] It has an effect of suppressing the generation of wrinkles and eliminating wrinkles. |