Builds increasing protection against painful sensitivity of the teeth due to cold heat acids sweets or contact. Aids in the prevention of dental cavities. #1 dentist recommended brand for sensitive teeth.* Use whenever you normally brush: Contains potassium nitrate to reduce painful sensitivity. Provides fast relief within two weeks. Its formula keeps breath feeling fresh for hours. Great tasting mint flavor. *Dentists have been recommending Sensodyne for over 20 years. Brushing twice a day with Sensodyne builds a shield of protection against painful sensitivity. And since Sensodyne has fluoride it helps protect against cavities too.Other products from HerbsPro