Misc: 99% germ kill and a healthier mouth (by fighting plaque and gingivitis). Reduces plaque bacteria. Helps prevent gingivitis. Freshens breath. Alcohol free. Helps you get better dental check-ups. If you are not satisfied with your results, Crest Pro-Health will refund your purchase via pre-paid card. Simply return your receipt and copy of bottle UPC within 60 days of purchase. Call 1-877-769-8794 for more information. In some cases, antimicrobial rinses may cause surface staining to teeth. This is not permanent or harmful, and may be prevented by adequate brushing or removed at your next dental visit. www.crest.com. www.pg.com.