Help strengthen teeth fight cavities & freshen breath in one step with Listerine Clinical Solutions Teeth Strength Anticavity Fluoride Mouthwash! This refreshing alpine mint-flavored fluoride mouthwash from Listerine an ADA-Accepted mouthwash is formulated with sodium fluoride to strengthen teeth and help prevent tooth decay. The oral rinse repairs tooth enamel now to prevent cavities & provide 3x stronger* & longer lasting teeth. Tested by dentists & dental hygienists this mouthwash works below the tooth surface for 24-hour cavity protection** to improve & support your overall oral health. Adults & children 12 & older use this mint oral rinse twice daily after brushing with toothpaste. Vigorously swish 10 mL of fluoride mouth rinse between teeth for one minute & then spit out; do not swallow the fluoride mouthwash. For best results avoid eating or drinking for 30 minutes after rinsing. *with brushing in a lab study **when used twice daily.