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从“药”到“妆” ,LOGAN用科学定义透皮吸收
在美妆产品中,透皮吸收有着“两道红线”:功效要进去,风险要阻隔。这也意味着功效成分需要穿透角质层屏障,到达需要起效的目标位置,并在目标位置维持有效浓度一定时间;而化学防晒剂、部分防腐剂、彩妆成分等风险物质,理想状态下应实现 “零渗透”。
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