Free Advanced Listerine antiseptic 250 ml, Arctic Mint, with this purchase. 2 x a day, 24 hour protection against plaque & gingivitis germs. Use every 12 hours. Fights plaque. Kills germs for 12 hr plaque protection. Fights gingivitis to help maintain healthy gums. Controls tartar build-up to keep teeth brighter. Provides enhanced breath protection. Clinically proven. Kills germs by millions on contact. Advanced Listerine antiseptic as the benefits of Original Listerine antiseptic plus: controls tartar; keeps teeth cleaner and brighter; provides enhanced breath protection. For a whole mouth clean feeling. Cold weather may cloud this product. Its antiseptic properties are not affected.