天气预报 > 时尚 > 防晒霜打开多久不能用
防晒霜打开多久不能用
更新时间: 2021-05-28 02:08:37  

1、防晒霜的保质期虽然是3-5年,但是开封后的防晒霜保质期却是在半年至一年。因为防晒霜开封以后,会伴随着时间的增长,防晒霜里面的防晒剂会出现氧化的情况。

2、一旦防晒霜类的防晒剂被空气氧化以后,防晒霜的防晒效果就会大打折扣,或者没有效果。这样很容易让皮肤在太阳照射下出现晒伤、晒红和晒黑的情况

关键词: 防晒霜 打开 多久

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