When it comes to styling and straightening hair, keratin treatments are a staple — but that may change as soon as April of this year. "Keratin is a common protein found in skin," according to Dr.

Keratin treatments – the most famous being the Brazillian blow dry – are most known for being temporary straightening treatments lasting around three months. At age 19, that's exactly what I was in ...

Collagen supports hair structure and scalp health, while keratin repairs hair strands and enhances hair smoothness and shine. Biotin enhances keratin production for stronger, thicker hair. For ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Naturally, hairstylists know best, so we tapped a few pros to find out their ...