Home Remedies for Beautiful & Shiny Nails Nails are made up of a protein called keratin. Discoloration is often observed in the nails due to a lot of factors, which include lack of protein in the body, fungal infections, illness, brittle nails, nails with ridges and many more. We unintentionally often cause damage to the nails by biting off the cuticles or while washing off the utensils and clothes with hard detergents or many other circumstances. It becomes absolutely important