1-Liter bottle of Listerine Ultraclean Cool Mint Antiseptic Gingivitis Treatment Mouthwash to fight tartar buildup & kill 99.9% of germs that cause bad breath, plaque & gingivitis & provide up to 3x longer lasting clean feeling versus brushing alone. This tartar control mouthwash in Cool Mint flavor has the benefits of original Listerine Antiseptic Mouthwash with an added tartar control ingredient for cleaner teeth, healthy gums & helps to keep your teeth naturally white. Daily oral rinse helps to achieve 4x healthier gums in 3 weeks vs. brushing alone by preventing tartar buildup & maintaining healthy gums for fresh breath & a dentist-clean, fresh feeling that lasts for hours. With approximately four weeks of supply, achieve maximum results from this fresh breath mouthwash by rinsing mouth for 30 seconds twice a day, both morning & night, & experience a refreshing clean.