Builds increasing protection against painful sensitivity of the teeth to cold, heat, acids, sweets or contact. Aids in the prevention of dental cavities. Toothpaste for sensitive teeth and cavity protection. This product gives you whiter teeth* while actively helping to strengthen your tooth enamel and protect against everyday acids. With twice daily brushing, the dual action formulation delivers minerals into the enamel to help strengthen & protect and polishes away stains for whiter brighter teeth. *vs. ProNamel Daily Protection.