Allantoin is used as an abrasive and astringent agent in the end products include cosmetic lotions, creams, suntan products, scalp preparations, shampoos , lipsticks and and various aerosol preparations. It is used in topical pharmaceutical preparations. Allantoin has been used in various oral hygeine preparations such as toothpaste and mouthwash as well as in eye drops to treat watering eyes and in ear drops to clean the ear canal.