Listerine reaches all parts of your mouth and removes 99.9% of germs. With patented essential oil formulation, Listerine Cool Mint Mouthwash deeply penetrates to remove bacteria in plaque biofilm. Listerine Mouthwash does more than just give fresh breath by providing 24-hour protection against germs causing gum problems, bad breath and plaque with twice-daily use. This mouthwash features a minty flavour that works to leave your mouth feeling clean and refreshed than brushing alone.