In a hair follicle cell, a protein called keratin is made. Lots of it. Many ribosomes can be working on a single strand of mRNA at once. Protein synthesis isn't a slow process, either. A protein ...

Keratin is a superhero protein vital for your hair, nails and skin. Its strong bonds provide hair with strength and ...

and strengthens your hair by providing it with keratin—which is one of the main proteins that makes up hair. "It's creating a barrier that will be temporary for a couple of months," says Roque.