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Ask Science@lemmy.worldEnglish · 1 year ago

Why does my arm hair know when to stop (re)growing but my "head" hair or beard don't know?

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Why does my arm hair know when to stop (re)growing but my "head" hair or beard don't know?

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Ask Science@lemmy.worldEnglish · 1 year ago

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SpaceNoodle@lemmy.world
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1 year ago
The follicle pooping it out is basically only gonna poop out so much before it poops out.
- Mr_Blott@feddit.uk
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  1 year ago
  TIL Hair = skin excrement

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