Everyone seems to be talking about protein these days and how to pack more of it into your diet. And that might make you ...

“My all-time favorite conditioning spray, which is a leave-in that you spray into clean, towel-dried hair, is a professional ...

At-home keratin treatments work wonders by harnessing the power of keratin, an important protein for hair health. "This transformative protein rebuilds and repairs lackluster hair, ...

Keratin is a type of protective protein our bodies produce naturally that appears in our hair, skin and nails, explains Madison Roulan, hairstylist and co–owner of Rule On Salon in New York City.

When keratin protein is added to hair care products (like shampoo or conditioner), it creates long-lasting protection against damage,” Roulan adds. What is a keratin treatment?

Keratin is a structural protein, and therefore, it can strengthen hair and reduce breakage. Some people say that treatments help their hair grow faster, as the ends are not splitting or breaking.

Turn to a keratin treatment for help. “Protein is an essential building block for the hair, especially when treating fragile, damaged strands,” says Sarah Ludd, professional hairstylist and ...

The main protein in hair is keratin, which helps to hold strands together, imparting shine and reducing frizz. "Proteins are a type of conditioning agent," says Angela Onuoha, trichologist and ...

Keratin shampoos can prevent frizz, damage, breakage, and split ends. We asked experts about the best keratin shampoos of 2023 and why they’re worth investing in.