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 ...

During a keratin hair treatment, stylists apply a keratin-based product to the hair before using a flat iron to seal it in. This process can smooth frizzy or damaged hair, producing a sleek, shiny ...

Every product on this page was chosen by a Harper's BAZAAR editor. We may earn commission on some of the items you choose to buy. Keratin is a beauty buzzword synonymous with smooth, shiny strands and ...

“At home, you’ll find keratin in a few different forms—there are kits that mimic salon treatments with smoothing formulas and heat-sealing steps; daily serums, deep-conditioning masks infused with ...

If there was a way to have your blowout last for weeks—maybe even months—chances are high that you’d be game to do it. That’s where a keratin hair treatment comes in. As Charlotte Mensah, hairstylist ...