Keratin is an extremely powerful protein that is the main component of skin, hair, nails, hooves, horns and teeth. The hydrolyzed keratin protein is the active ingredient of a variety of cosmetics, such as hair care products and nail care products, as well as active ingredients for the production of professional hair care cosmetics. The hydrolyzed keratin produced by Insen is extracted from chicken feathers and duck feathers. It has biological affinity and high homology. It has obvious moisturizing and nourishing effects not only on the skin, but also on the hair and nails.