Hair

Bleach and color can destroy hairline edges in weeks. Learn why it happens, what the science says, and how to regrow thinning edges after chemical damage.

Yes, white or grey baby hairs at your edges can mean real regrowth. Here's why new hair sometimes comes in unpigmented and what to expect next.

Biotin deficiency is rare in healthy adults. Here's what research says about biotin, thinning edges, and what actually works instead for your hairline.