September 13, 2018
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Video: What are eye crusties made of?

by American Chemical Society

Credit: The American Chemical Society
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Credit: The American Chemical Society

The substance that builds up in the corners of your eyes as you sleep has a variety of colloquial names: eye crusties, sleep, eye dust.

But why does it appear every morning? And what is it actually made of?

In this video, Reactions explains the chemistry of eye crusties:

Provided by American Chemical Society

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