While there are at-home keratin treatments available, the doctors and hairstylists we spoke to say they'll never quite compare, results-wise, to what you'd get in a professional stylists' chair.

"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 ...

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 ...

If you have the frizz, coarseness or flyaways that come with damaged or aging hair, you’ve probably spent a good bit of time researching tips and tricks for thickening your mane. Perhaps you’ve tried ...

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 ...

In TODAY.com's Never Have I Ever series, a fertility specialist warns that this common chemical can interfere with your health.