| abstract |
The present invention provides an external preparation for skin having high safety and excellent skin pigmentation prevention, pigmentation removal effect and skin roughness prevention effect. The following formula (I) (In the formula, R 1 represents a hydrogen atom or a lower alkyl group, R 2 and R 3 each independently represents a hydrogen atom or a methyl group, X represents a cycloalkylene group having 3 to 6 carbon atoms, and n represents 0. Or represents a tocopherol aminoalkylcarboxylic acid ester and / or a salt thereof represented by the following formula: [Selection figure] None |