Purell Hand Sanitizer 33.8 oz. Refill. Purell Hand Sanitizer Refill Purell hand sanitizer kills 99.9% of germs within seconds without water or towels. Dermatologist tested, the hand sanitizer is free of dyes and is formulated with 62% alcohol and moisturizers, leaving hands feeling smooth and soft. The refill bag conforms to more of the dispenser interior, taking full advantage of the space inside. Dispenser sold separately.