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如何辨别化妆品是否过期

更新时间: 2020-09-16 00:00:00     

1、产品颜色的变化:由于有色和无色微生物的生长,会有代谢物,而这些代谢物会直接分泌到产品中,常见的是原来白色的膏体变成淡黄色、产生异色的霉斑,或者直接发霉;

2、产品状态的改变:某些微生物会使化妆品的蛋白质和脂类水解,破坏乳化结构,出现产品渗水、分层、变混浊等现象,即说明化妆品已过期;

3、气味的变化:微生物作用会产生挥发性物质,如硫化物质等,它们会使化妆品中的有机酸分解产生酸气,若产品产生异样味道,即化妆品已过期。

关键词: 如何 辨别 化妆品 是否 过期

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