SmartMouth Premium Zinc Ion Toothpaste combines zinc ion technology with fluoride to strengthen tooth enamel and help with dental plaque and cavity issues. This toothpaste features a mild mint flavor with no aftertaste. It is designed to provide enamel strengthening, anti-plaque, anti-cavity, sensitive whitening, and elite oral health protection. The zinc ion technology introduces health-promoting zinc ions subgingivally, reaching the difficult area between your gums and teeth. For optimum dental care, brush thoroughly after meals or at least twice a day.