The present invention addresses the problem of providing a wrinkle ameliorating agent which has excellent wrinkle ameliorating effect. According to the present invention, a wrinkle ameliorating agent is configured to contain a compound represented by general formula (1) or an acid addition salt thereof as an active ingredient. (In the formula, X represents an alkylene group having 1-2 carbon atoms, wherein a hydrogen atom may be substituted by a methyl group; Y represents COOR1 or CH2OR2; R1 represents a hydrogen atom or an optionally branched alkyl group having 1-6 carbon atoms; and R2 represents a hydrogen atom or an optionally branched acyl group having 1-6 carbon atoms).本發明之課題係提供一種具有優異皺紋改善作用之皺紋改善劑。將下述通式(1)所表示的化合物或其酸加成鹽作為皺紋改善劑之有效成分。(式中,X表示氫原子可經甲基取代的碳數1~2之伸烷基,Y表示COOR1或CH2OR2,R1表示氫原子或可具有分枝的碳數1~6之烷基,R2表示氫原子或可具有分枝的碳數1~6之醯基)。