You may not know it, but there are millions of tiny organisms crawling all over your face and body right now that can’t be seen by the human eye. And you know what? That’s probably a good thing.

Some of these microscopic creatures are so disturbing that we’re better off not knowing when they’re around. For example, just take a look at this guy!

One of these creatures is the Demodex, a tiny parasitic mite that feeds off of human hair follicles. 

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Demodex only measure 1/3 mm, and they are commonly found in human eyebrows, eyelashes, and other hair roots on the face. 

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They also have the ability to leave hair follicles and walk around on their host’s skin — usually at night, when they can roam around in darkness.

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Luckily, they are usually harmless, although they can occasionally cause irritation and skin diseases such as rosacea in people with suppressed immune systems.

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Demodex can be transmitted between hosts through contact with hair or the glands of the face, but scientists still aren’t sure how humans became infested with the mites in the first place.

Colorized scanning electron micrograph of Demodex (Demodex folliculorum), tiny parasitic mites that live in the hair follicles of mammals. Their length ranges from .09-.5mm. Magnification: x1500 at 12x12 cm.

Most people who have demodex never even know it. So, unless you start to show symptoms of reddish skin or facial irritation, you’re better off forgetting that this horrifying creature even exists.

Share this freaky creature with your friends. It will seriously freak them out!