What is hydrolyzed keratin peptide? Hydrolyzed keratin peptides are derived from natural keratin such as chicken feathers or duck feathers, and are extracted using biological enzyme digestion technology. It has good affinity and moisturizing to the skin. At the same time, it can effectively protect damaged hair, and can effectively repair split hair, reduce and prevent split ends, and at the same time can alleviate the irritation effect of surfactants on skin and hair in cosmetic formulations. Hair contains a large amount of keratin(about 65% -95%)of the hair. Many natural active proteins have a high affinity for hair, are easily absorbed by the hair, have nutrition and film formation, and are excellent hair conditioning Agents, repair agents and nutrients. hair, have nutrition and fi…