The present invention provides an antiwrinkle agent and skin cosmetic composition having excellent alleviating effects on wrinkles appearing due to aging, and especially at exposed locations of skin, and a high degree of safety. The present invention relates to an antiwrinkle agent and skin cosmetic composition comprising a sclareol derivative represented by the following structural formula (1).本發明係提供對於隨著老化，尤其曝曬部份所發生的皺紋之改善效果優異，而且安全性高之皺紋改善劑及皮膚化妝料。；以含下述結構式(1)所表示之香紫蘇醇衍生物而成為特徵之皺紋改善劑及皮膚化妝料。；
