linucs to Ask Science@lemmy.worldEnglish · 11 months agoWhy does my arm hair know when to stop (re)growing but my "head" hair or beard don't know?message-squaremessage-square23fedilinkarrow-up1118arrow-down14
arrow-up1114arrow-down1message-squareWhy does my arm hair know when to stop (re)growing but my "head" hair or beard don't know?linucs to Ask Science@lemmy.worldEnglish · 11 months agomessage-square23fedilink
minus-squarelinucsOPlinkfedilinkEnglisharrow-up3arrow-down1·11 months agoSo I have a follow up question, let’s say someone has 20cm long hair, all of them are that long, we don’t see 5/10cm hair still growing to get to 20, I’m confused, how does that work?
minus-squaregivesomefucks@lemmy.worldlinkfedilinkEnglisharrow-up21arrow-down1·11 months agoYou don’t see them because the longer hair covers them up. They’re still there. If it happened to big patches at once it would stand out, but that’s not how it works.
So I have a follow up question, let’s say someone has 20cm long hair, all of them are that long, we don’t see 5/10cm hair still growing to get to 20, I’m confused, how does that work?
You don’t see them because the longer hair covers them up.
They’re still there.
If it happened to big patches at once it would stand out, but that’s not how it works.
Yeah it makes sense