说到内裤换洗，其实是两个问题。一个是「多久换一次」，一个是「多久洗一次」。 

今天我们就分别说说这洗和换的事情。 

当然了，那些不怎么穿内裤的人，

就不用担心这个问题了……

图片来源：宇某插画

所以朋友们你们的内裤多久换一次咧？

本文经由 第三军医大学第一附属医院皮肤科博士 陈奇权 审核

图片来源：宇某插画

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