You can make a difference in your oral health starting today. Advance to a Healthier Mouth from Day 1* with Crest Pro-Health Clean Mint Multi-Protection Mouthwash which starts fighting plaque from day 1. Crest Pro-Health Clean Mint Multi-Protection Mouthwash kills 99% of germs without the harsh burn of alcohol. It provides 24 hour protection against plaque and gingivitis when used twice per day. *with continued use vs. brushing alone with ordinary toothpaste.