LISTERINE ZERO: LISTERINE deep cleanse now with a mild taste. LISTERINE ZERO is a mouthwash with the same active ingredients as traditional LISTERINE, but it's alcohol-free and has a milder flavor. Its mild mint flavor is ideal for those who prefer mild flavors. LISTERINE ZERO is the gentlest, alcohol-free mouthwash option for the whole family (ages 6 and up). Benefits of LISTERINE ZERO: Eliminates germs that cause plaque. Thanks to its fluoride content, it strengthens teeth and protects them against cavities. It works between the teeth and at the gum line. Provides fresh breath for up to 24 hours, eliminating germs that cause bad breath. Mild flavor. Alcohol-free.
