Purell Advanced Hand Sanitizer Refreshing Gel, Clean Scent, 4 oz Flip-Cap Bottle. PURELL hand sanitizer kills 99.99% of illness causing germs without damaging skin. With a blend of four moisturizers, PURELL is perfect for frequent use. The mild formula is free of triclosan, parabens, phthalates, and preservatives, so it does not dry out or irritate skin. Hands feel soft, even after many uses.