申请人:Ajinomoto Co., Inc.
公开号:EP1120407A1
公开(公告)日:2001-08-01
Objects of the present invention are to provide an oxidative stress inhibitor which is capable of suppressing the expression of a cytotoxic protein and the activation of a gene transcriptional regulatory factor taking part such expression of a cytotoxic protein and exhibits good feeling upon use and safety; to provide a method for preventing, retarding, alleviating or treating a skin change due to aging or an undesirable aesthetic skin change, both caused or promoted by an oxidative stress; and to provide a cosmetic composition or dermatologic preparation for external use comprising the oxidative stress inhibitor as an effective ingredient, and for those purposes are employed an oxidative stress inhibiting agent which comprises, as an effective ingredient, at least one selected from cysteine or cystine derivatives and the salts thereof.
本发明的目的是提供一种氧化应激抑制剂,它能够抑制细胞毒性蛋白的表达和参与细胞毒性蛋白表达的基因转录调控因子的活化,并在使用时具有良好的感觉和安全性;提供一种方法,用于预防、延缓、减轻或治疗由氧化应激引起或促进的皮肤老化变化或皮肤美容方面的不良变化;以及提供一种外用化妆品组合物或皮肤病制剂,其中包含作为有效成分的氧化应激抑制剂,并为此目的采用一种氧化应激抑制剂,其中包含作为有效成分的至少一种选自半胱氨酸或胱氨酸衍生物及其盐类的氧化应激抑制剂。