Water free hand cleaning liquid is mainly used in places without water source and water conservation, and is used for sterilization and hand cleaning. It does not need water to keep hands clean and sanitary. There are mainly two kinds of hand sanitizers commonly used in hospitals. One is hand sanitizers with anti/bacteriostatic effects, and the other is hand sanitizers used under specific conditions such as pre operation and blood drawing. Anionic surfactants are basically not added to these products.