Removes up to 97% of germs left after brushing 12 hour germ protection. For a cleaner & fresher mouth than brushing alone. Used twice daily, Listerine® Cool Mint provides 24 hour protection against plaque, gives lasting fresh breath confidence and kills 99.9% of bacteria in lab tests. Listerine® Cool Mint is clinically proven to: Prevent & reduce plaque, a major cause of gum disease Freshen breath