The present invention has an object to provide an external dermal agent with a sustainable anti-wrinkle action, which has both the action of enhancing the proliferation and differentiation of keratinocytes in the skin and the action of enhancing the collagen production in the skin, and which assists the maintenance and the improvement of tissue structures and physiological functions of the epidermis and the dermis, whereby providing a remarkable skin improvement effect. The present invention solves the above abject by providing an external dermal agent containing α-D-glucopyranosyl-(1→3′)-adenosine and/or α-D-glucopyranosyl-(1→5′)-adenosine as an effective ingredient(s).
本发明的目的是提供一种具有持续抗皱作用的外用皮肤制剂,该制剂具有促进皮肤角质细胞增殖和分化以及促进皮肤
胶原蛋白产生的作用,有助于维持和改善表皮和真皮组织结构和生理功能,从而提供显著的皮肤改善效果。本发明通过提供含有α-
D-葡萄糖吡喃糖基-(1→3′)-
腺苷和/或α-
D-葡萄糖吡喃糖基-(1→5′)-
腺苷作为有效成分的外用皮肤制剂来解决上述问题。