Instant hand sanitizer kills 99.99 percent of most common germs that may cause illness and works in as little as 15 seconds. No water or towels are needed. PURELL Advanced is enhanced with four different skin conditioning agents that help maintain skin health - skin moisture - and improves overall skin feel. It also meets and exceeds FDA Healthcare Personnel Handwash requirements with just 2 ml of product. Gel refill is designed for use with PURELL NXT Space Saver Dispenser.