Hand sanitizer is a liquid, gel, or foam generally used to decrease infectious agents on the hands. In most settings, hand washing with soap and water is generally preferred. Hand sanitizer is effective at killing all kinds of germs, such as nor virus and Clostridium and unlike soap and water. Alcohol-based hand rubs are extensively used in the hospital environment as an alternative to antiseptic soaps. Hand-rubs in the hospital environment has two applications: hygienic hand rubbing and surgical hand disinfection. Alcohol-based hand rubs provide better skin tolerance as compared to antiseptic soap. Hand rubs also prove to have more effective microbiological properties as compared to antiseptic soaps. The same ingredients used in over-the-counter hand-rubs are also used in hospital hand-rubs: alcohols such as ethanol and isopropanol. Quats are added at levels up to 200 parts per million to increase antimicrobial effectiveness. The hand sanitizer dosing systems for hospitals are designed to deliver a measured amount of the product for staff. They are dosing pumps screwed onto a bottle or are specially designed dispensers with refill bottles. Dispensers for surgical hand disinfection are usually equipped with elbow controlled mechanism or infrared sensors to avoid any contact with the pump. Uses 1 General public 2 Health care