Protein is the main comopound that makes up your skin, hair, and nails. You can find mostly protein in skin, nails, and hair.
Carbohydrates
Carateen
protein
keratin
Your skin, hair, muscles and organs are mostly made up of protein.
Keratin
yes _________ Nails, Hair and Skin are all made up of the same protein, Keratin. Each has a pH of 4.5 to 5.5.
The protein keratin, found in hair, nails, and skin.
Carbohydrates
iron
Keratin