The protein keratin, the principle ingredient of wool and feathers, can be repurposed as strong, flexible plastic.

Keratin has been a buzzword haircare ingredient for some time now, especially with the popularity of salon treatments such as the Brazilian blowout. But what about gentler, at-home keratin hair ...

Dermatologists share the best keratin products for damaged, frizzy hair. Plus, the experts talk about whether keratin can ...

Methylene glycol has been found to be toxicologically equivalent to formaldehyde, also used in hair-straightening treatments ...

ANSWR’s At-home Keratin Treatment is formulated with natural ingredients that are gentle on the hair and scalp, including keratin, argan oil and baobab oil. It’s basically a green juice for ...