if skin can regenerate and heal itself albeit slowly, why can’t stretch marks and scars go back to normal?

Question

if skin can regenerate and heal itself albeit slowly, why can’t stretch marks and scars go back to normal?

In: Biology

Answer 1

Because as long as the skin isn’t broken and it’s ‘working’ fine, your body doesn’t care what it looks like. A cut or bruise is damage to the skin so it will heal. But technically stretch marks arnt damage, the skin did its job and allowed for rapid growth without ripping