Enamel Strengthening Toothpaste Sensodyne Pronamel Fresh Breath Enamel Toothpaste for Sensitive Teeth and Cavity Protection is specially formulated to protect teeth against the effects of acid erosion (1). Many of the foods and drinks you enjoy contain acids that can wear away the hard enamel coating of your teeth. Developed with potassium nitrate and sodium fluoride Sensodyne Pronamel toothpaste strengthens and rehardens weakened enamel and provides lasting relief from sensitivity and ongoing protection against acid wear (1). Whether it’s a sharp shock or a twinge of pain from hot or cold drinks and food Sensodyne toothpaste makes it easier to manage your sensitive teeth. This enamel strengthening toothpaste also helps prevent cavities and freshens breath with an extra fresh taste leaving your mouth feeling clean. For sensitivity protection apply this toothpaste in a 1-inch strip on your toothbrush and brush twice a day every day. Get lasting protection from tooth sensitivity with Sensodyne. (1) With twice-daily brushing.