Normal eating and drinking can expose your teeth to sugar acids throughout the day that can leave your teeth vulnerable to cavities - especially overnight. LISTERINE® Nightly Reset is a formula that works while you sleep to fight the effects of the day.nHow LISTERINE® Nightly Reset can help fight the effects of the day:nRemineralizes enamel:n- It remineralizes enamel to strengthen teeth thanks to its high level of fluoridenCleans Deeply:n- It cleans deeply by reaching where brushing can\'t:n- Reducing plaque build-upn- Reducing germ accumulationn- Reducing acid production - caused by food and drinks - that weakens your teethnIt helps prevent cavities.nUse before and after sleep as part of a regular routine.