Hydrolyzed Keratin is a type V collagen, derived from natural feather through advanced bio-enzyme digestion. Hydrolyzed Keratin has good skin affinity, good moisture retention. It can be absorbed by hair to prevent hair damage, relieving skin and hair irritation caused by surfactant in cosmetic formula.Thanks to it’s properties :Natural hair conditioning & repairing agent,High keratin affinity and penetrability,Improved appearance and flexible formula,Excellent solubility (40M g/100g water),Free of preservatives, Hydrolyzed Keratin is widely used in personal care products and high-end cosmetic industry.