Does protein make up hair and nails?
Does protein make up hair and nails? Keratin: Keratin is the main protein in your skin, and makes up hair, nails, and the surface layer of the skin. Keratin is what forms the rigidity of your skin and helps with the barrier protection that your skin offers. Are proteins needed to form hair and nails? Protein supplies the body with the amino acids it requires to make keratin – one of the structural proteins in our skin, hair and nails. To boost your body's natural keratin production, you need to consume an adequate amount of protein, as well as specific...