Listerine CoolMint Antiseptic provides a deeper clean than you can get from merely brushing your teeth. Rinse twice a day for just half a minute each to keep your breath minty fresh, fight gingivitis and plaque. LISTERINE FRESHBURST® kills germs and keeps your breath fresh. Listerine has been proven in clinical trials to assist in the removal of plaque. Using Listerine CoolMint mouthwash will keep your mouth protected from germs 24 hours a day.