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 ...

We've all dreamed of having the silky-smooth strands we see on hair care commercials (we're looking at you, Pantene!). It's almost as if the women's hair is coated in a magic potion to make it so soft ...

Hair damage affects millions of people worldwide, leaving strands brittle, lifeless, and prone to breakage. Years of heat styling, chemical processing, environmental exposure, and mechanical stress ...

A way of shuttling lost keratin (essentially protein) back into the hair shaft, treatments like these take porous, dull, unmanageable hair and make it shiny, healthy, strong and smooth. But while it ...

In-salon, professionally done hair-straightening treatments (such as Brazilian Blowouts) often contain formaldehyde, which is a chemical that many people prefer to avoid. The best keratin treatments ...

There are so many hair products out there these days that it can get pretty overwhelming. Being in tune with your strands’ unique needs is one of the things that can help you cut through the clutter ...

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 ...

When you’ve got textured hair, there’s no shortage of terms, techniques and ingredients to know. Protein is one of them. Although it’s a reoccurring subject in curly girl circles, a lot of us are ...

Researchers at King's College London developed a toothpaste made from keratin derived from hair that can rebuild tooth enamel ...

Researchers have discovered that keratin, the protein found in hair, can naturally rebuild and protect tooth enamel.

Scientists have found that keratin, the protein in hair and skin, can repair and protect tooth enamel. The material forms a mineralized layer that halts decay and restores strength, outperforming ...