This formulation can positively impact your image and encourages people to sanitize their hands; in fact, 84% of people expect hand sanitizer to be offered in public places. PURELL Advanced Hand Sanitizer is proven to kill 99.99 percent of most common germs that may cause illness. While it.s tough on germs, the formulation is mild on skin. With a blend of four moisturizers, hands feel soft, even with frequent use. It.s free of parabens, phthalates, and preservatives.