Builds increasing protection against painful sensitivity of the teeth to cold, heat, acids, sweets, or contact. Aids in the prevention of dental cavities. Formulated to help protect against the effects of acid erosion and also gently, yet effectively remove stains, helping restore teeth to their natural whiteness. As it contains fluoride it also provides the benefits of a regular toothpaste. Use whenever you normally brush. Freshens breath. Strengthens and re-hardens enamel. Suitable for sensitive teeth. #1 dentist recommended brand for strengthening and protecting enamel. Dentists have been recommending Sensodyne for the past 20 years. Brushing twice a day with Pronamel toothpaste strengthens enamel and protects against future acid attacks. This product contains no sugar.