Keratin (Shampoo)
Keratin is a protein found in hair, nails, horns, hoofs, wool, feathers, and skin. It is a very important structural and protective part in the epithelium, which is a layer of cells that serves as a covering surface for foreign substances. Keratin proteins are subdivided into alpha and beta. Alpha-keratins are primarily fibrous, helical in structure, and are found in hair, skin, and wool. Beta-keratins have parallel sheets of polypeptide chains, and are present in birds and reptiles.
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ReplyDeletedifference between alpha keratin and beta keratin