Builds increasing protection against painful sensitivity of the teeth to cold, heat, acids, sweets, or contact. Aids in the prevention of cavities. Use this toothpaste whenever you normally brush: clinically proven ingredient reduces painful sensitivity. Provides sensitivity relief in as little as two weeks. Freshens breath with a fresh minty flavor. Leaves your mouth feeling clean and fresh. Contains fluoride for cavity protection. Dentists have been recommending Sensodyne toothpaste for over 20 years. Brushing twice a day with Sensodyne toothpaste builds a 'shield of protection' against painful sensitivity.