There are two mite species: Demodex folliculorum and D. brevis. One is a bit longer than the other, but both have eight legs, somewhat resemble worms, are microscopic, and have no anuses. One species is known to reside in hair follicles, one in the sebaceous glands. The sebaceous glands secrete oil onto your hair. Some scientists say they eat this oil, but they may also eat dead skin cells or bacteria. They come out of their hiding places at night, and crawl around your face to find a mate. The females can only lay one egg at a time, as their eggs take up nearly half of their body sometimes. Once they die, their body dries up and all of the poop they’ve built up through their life breaks down on your face. Because virtually every adult has
