In today's video, I explore hair straightening using a keratin shampoo, deep conditioner, and serum, resulting in silky and ...

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 ...

Keratin is often marketed as a cosmetic miracle, but its real importance goes far beyond shiny hair or smoother skin. This ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." There are so many at-home products for frizz that promise to deliver smooth, silky hair. But nothing ...

UPDATE (January 5, 2026): The future of the Food and Drug Administration (FDA) 's proposed ban on hair-straightening products ...

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 ...

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 ...

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 ...

The early Noughties was a good time to be growing up with an untameable halo of frizzy hair. While my mother’s generation had to wrestle with all manner of ineffective contraptions, I had access to a ...