eli5: Different body hairs grows differently

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Why do some hairs on your body grow differently? For example, the hair on your head and face can keep growing but your eye brows will stop at a certain point, if you were to shave it. Also, why are pubes coarse?

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Anonymous 0 Comments

Edited for spelling.
I have a lengthy beard and learned from a barber that hair has a ‘terminal length,’ that is, a length that it will grow out to and stop. I imagine hairs from different regions of the body have different terminal lengths but I’m speculating.

This conversation arose when I remarked that beard competitions are silly because they are merely “I avoided shaving the longest” contests. That’s when I learned not everyone could grow really long hair if they just stopped cutting it.

This is weird, right? Like the hair knows when to stop and to re-grow when cut back. 🤯

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