System of the present invention provide a kind of pair of what aging the superior and highly-safe skin preparations for extenal use and Wrinkle-diminishing agent of improvement of the wrinkle that position occurs especially is exposed with it.The present invention is a kind of skin preparations for extenal use and Wrinkle-diminishing agent, contains the alkylthioglycosides shown in general expression (1).G-SR1(1)(in formula, G indicates sugar, R1Indicate the alkyl of carbon number 10 ~ 18, G and SR1Bond between base is β-glucosides bond. )本發明係提供一種對於老化所伴隨之尤其是曝光部位所發生之皺紋的改善效果優越，且安全性高的皮膚外用劑及皺紋改善劑。本發明為一種皮膚外用劑及皺紋改善劑，其含有一般式(1)所示之烷基硫糖苷。G-SR1 (1)(式中，G表示糖，R1表示碳數10~18之烷基，G與SR1基間的鍵結係β-糖苷鍵結。)
