With Fluoride. Relieves painful sensitivity. Dentist recommended brand. Keeps breath feeling fresh for hours. Maximum strength (maximum FDA sensitivity active ingredient). Use Sensodyne whenever you normally brush. It contains Potassium Nitrate clinically proven to reduce painful sensitivity. It provides fast relief within two weeks. It has fluoride for cavity protection. Its formula keeps breath feeling fresh for hours. It has a great tasting mint flavor. No 1 dentist recommended brand for sensitive teeth. 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. This product contains no sugar.