The main ingredient of Botoxin is tretinoin neomycin, which is a paste, like adhesive tape, mainly used in clinical practice for some hypertrophic, mossy skin or some hard nodules, or even chapped skin, so it is often used in clinical practice to treat some neurodermatitis, nodular itchy rash, amyloid skin, or even plaque psoriasis with hypertrophic, mossy skin lesions. In general, it can be applied continuously for 24 hours, and then replaced with a new skin chapstick, which can be used for 3-5 days, depending on the improvement of the lesions, of course. After the use of skin disease Ning will be improved chapped skin, hypertrophy, mossy will gradually become thin, the effect is more obvious.