PURELL Advanced Green Certified Hand Sanitizer Foam. Hand sanitizer foam that contains ingredients made from natural renewable resources. Kills 99.99 percent of most common germs that may cause illness. Green certified. Meets EcoLogo hand sanitizer standard for environmental leadership and proven performance. Scientifically advanced formulation outperforms other hand sanitizers ounce for ounce. Includes a nourishing blend of four skin conditioners. Clinically proven to help maintain skin health. Nothing is harder on germs or easier on hands.