Allantoin is so called "Nature-identical skin medicine" – chemically synthesized bulk allantoin is a white crystalline powder, in botanical extracts of the comfrey plant, non-toxic , odorless, non-irritating. Allantoin effectively relieves the skin irritation, also promotes the renewal of epidermal cell and accelerates wounds healing, and block dark spots. Allantoin can soften cuticle, and keep skin moisturizing, and help skin absorb nutrients, and improve rugged skin. Allantoin can heal wounds and skin ulcer, avoid bacteria infection, stimulate healthy skin cell proliferation. As result, it can increase the water bounder to the intercellular matrix and keratin, thereby softening skin and making the skin look healthier.