Medically reviewed by Christine L. Larsen, MD Eye crust forms when mucus, oils, and debris accumulate, often during sleep.

Dealing with red, itchy eyelids? The culprit could be a common mite. This article is sponsored by XDEMVY. Dr. Watson is a paid consultant for Tarsus Pharmaceuticals.

When he and his co-founder Michael Ackermann began looking for the very best drug to treat the crusty eyelids caused by Demodex mites, they found that the “best chemistry” came from animal health. It ...