Skin external agent compositions and drugs characterized by containing fumaric acid diester derivatives represented by following general formula (1), wherein R
1
represents C
1-4
alkylene; R
2
and R
3
represent each liner or branched C
1-8
alkyl; and n is an integer of 2 to 5; which provide epidermal barrier function potentiating agents and skin external agent compositions having a high safety, quickly relieving epidermal permeation barrier function failures and having an effect of maintaining the skin in a cosmetologically healthy state; agents to be used together with HB-EFG expression inducing agents accelerating epidermal turnover, amphiregulin expression inhibitors regulating excessive epidermal proliferation, and retinoic acid or its derivative preventing skin chapping caused by retinoic acid or its derivative; and skin aging relieving agents capable of ameliorating depression in the skin metabolism and thinning in association with aging.
皮肤外用剂组合物和药物,其特征在于含有以下通式(1)代表的
富马酸二酯衍
生物,其中 R
1
代表 C
1-4
亚烷基;R
2
和 R
3
分别代表衬里或支链 C
1-8
烷基;和 n 是 2 至 5 的整数;提供具有高安全性的表皮屏障功能增效剂和皮肤外用制剂组合物,可快速缓解表皮渗透屏障功能失效,并具有使皮肤保持美容健康状态的效果;与加速表皮新陈代谢的 HB-EFG 表达诱导剂、调节表皮过度增殖的两性
胰岛素表达
抑制剂和防止
维甲酸或其衍
生物引起皮肤皲裂的
维甲酸或其衍
生物一起使用的制剂;以及能够改善与衰老相关的皮肤代谢抑制和变薄的皮肤衰老缓解剂。