Listerine Mouthwash 500 mL Cool Mint Flavor - EachMake Listerine Cool Mint part of your daily routine and experience the confidence of cleaner, fresher breath and a healthier smile. Kills 99. 9% of germs that cause bad breath, plaque and gingivitis Provides a 24 hour shield against germs with twice daily use Clinically proven to reduce plaque and maintain gum health Bold, refreshing Cool Mint flavor for lasting freshness Complements brushing and flossing for a healthier, cleaner mouth Bottle contains