Sensodyne Pronamel Intensive Enamel Repair Whitening toothpaste drives vital minerals deep into the enamel surface to actively repair weakened areas of tooth enamel caused by dietary acids, repairing and rebuilding microdamage in the vulnerable areas of the teeth for stronger, better protected teeth. It also suitable for sensitive teeth. Deep repair for your acid weakened enamel. Acids in modern diets can weaken your enamel surface. Over time, this can lead to your enamel thinning, allowing the yellow dull dentine layer underneath to show through. Once your enamel surface is weakened it needs extra care for the future. With twice daily brushing, Sensodyne Pronamel Intensive Enamel Repair Whitening helps to: Actively repair weakened enamel caused by dietary acids Lock in minerals to help protect against the effects of acid wear Keep gums healthy Restore the natural whiteness of teeth