回复：游完泳，觉的脸上绷绷的，可能是hydration的吧。

来源: 于 2012-02-20 10:01:51 [旧帖] [给我悄悄话] 本文已被阅读：次

Water itself (ironically) removes moisture from the skin. There is a layer of oil present on all of our bodies, but once immersed in water, it disappears. This allows for the dryness to set in.