Differentiate between keratin and insulin

Answer 1

There are similarities in Keratin and Insulin, they are used differently. Insulin and Keratin are both made inside the human body and they are also both made synthetically. Insulin stays in liquid form while Keratin is a hardened form which an be has hard as finger nails or as soft as hair. Insulin in made synthetically and used for medical purposes where Keratin is made synthetically and used for beauty purposes.