Proven to kill 99.99 percent of most common germs that may cause illness, without damaging skin, Purell hand sanitizer is the No. 1 brand most used by hospitals, and it is preferred by healthcare workers. This fragrance-free, hypoallergenic hand sanitizer is designed for frequent use in healthcare environments. It meets healthcare hand hygiene protocol, exceeding FDA healthcare personnel hand wash requirements with just 1.1 milliliters of product.