Sensodyne Pronamel Intensive Enamel Repair Toothpaste for Sensitive Teeth actively rehardens and strengthens enamel, protecting teeth from acid erosion. This enamel repairing toothpaste is Pronamel’s most advanced enamel care formulation, helping minerals penetrate deep into the enamel surface to repair microdamage and strengthen enamel for strong, healthy teeth. Made with potassium nitrate and sodium fluoride, this sensitivity toothpaste protects you against cavities and acid erosion caused by exposure to everyday acidic foods or stomach acid. Twice daily brushing with this toothpaste for enamel repair builds a barrier over your teeth that shields you from pain triggers, providing lasting sensitivity relief, with a refreshing taste for fresh breath. Build a stronger foundation with Pronamel, so your teeth can look and feel their best.