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Why is it that when spit evaporates on your skin, the skin dries up too?
for example, if you drool a little in your sleep, why does the corner of your mouth get all dry?
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- teacupnLv 61 decade agoFavorite Answer
You have a great deal of time on your hands. The answer is that there is a lot junk in the drool and when the water evaporates, the residue is left behind on your skin.
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