皮肤保持一定的水分、动态平衡和正常皮肤外观需要完整的表皮屏障(epidermal barrier),否则会引起经表皮失水率(TEWL)的增加,导致肌肤干燥症,其特征:干燥、脱屑、粗糙、细裂缝以及瘙痒。
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When the epidermal barrier is blocked, water in dermis and epidermis will lose, which results in dry skin and skin scales.
当表皮屏障功能障碍,真皮和表皮内水分会大量丢失,发生皮肤干燥、鳞屑、瘙痒。
Objective To study the effects of light damages of epidermal permeability barrier on cosmetics function evaluation.
目的探讨表皮渗透屏障对化妆品功能评价的影响。
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