Color enhanced image of a hair follicle mite (Demodex folliculorum) of a human. The mites, less than 0.4mm long, can be found in small hair follicles and eyelash follicles. They live head down in a follicle and are relatively harmless. Large numbers of demodex mites, though, can cause itching and skin disorders (Demodicosis). Enhancement of 9b2165.