Ceratin and Keratin

Ceratin noun - A fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves.

Keratin is a synonym for ceratin. In some cases you can use "Keratin" instead a noun "Ceratin".

Keratin noun - A fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves.

Ceratin is a synonym for keratin. You can use "Ceratin" instead a noun "Keratin".