天气预报 > 其他 > 如何辨别化妆品是否过期
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

如何辨别化妆品是否过期相关经验

天气预报

最新推荐

页面:/news/view-2780003/ | 耗时:0.0682 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=2780003 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2780003 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2780003 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2264521,1051239,2457645,1051677,523381,1055405,1079952,2136542,2492344,946337,1061764,1741807,1062971,1087805,1494983,1765238,1050207,2695170,1990210,2104347,1065237,1726381,2025052,961185,341536,2165105,1303549,729692,1453766,1931368) ORDER BY field (ArticleID,2264521,1051239,2457645,1051677,523381,1055405,1079952,2136542,2492344,946337,1061764,1741807,1062971,1087805,1494983,1765238,1050207,2695170,1990210,2104347,1065237,1726381,2025052,961185,341536,2165105,1303549,729692,1453766,1931368)