Demodex mites Demodex mites, also known as eyelash mites, are tiny creatures that live around the base of your eyelashes. They are very small and cannot be seen without a microscope.

Demodex mites can multiply overnight, causing an overgrowth called demodicosis, said Dr. Richard Locksley, professor of medicine at University of California, San Francisco.

Demodex mites can multiply overnight, causing an overgrowth called demodicosis, said Dr. Richard Locksley, professor of medicine at University of California, San Francisco.

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