Hydrolyzed collagen yog ib hom kev lom neeg muaj roj ntsha, uas muaj ntau yam muaj xyoob ntoo zoo tsim nyog rau tib neeg cov metabolism.It yog kho los ntawm daim tawv nqaij tshiab. Nws muaj ntau yam ntxwv. Xws li surfactant, dej cia, adhesion, zaj duab xis sib sau, emulsibility thiab lwm yam