Helps you get better dental check-ups (vs. brushing alone). Alcohol free. Dye free. 24 hr protection (vs. brushing alone). Use 2X/day. Multi-protection. Fights plaque and gingivitis. Kills germs. Reduces plaque. Helps prevent gingivitis. Keeps teeth cleaner longer. Freshens breath. No burn of alcohol. Use with Crest Pro-Health toothpaste to promote healthy teeth and gums. Kills millions of germs that cause plaque, gingivitis and bad breath without the burn of alcohol. 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.