Sensodyne Repair and Protect Toothpaste, 5 pk./3.4 oz.With twice daily brushing, Sensodyne Repair and Protect toothpaste can actually repair sensitive teeth for lasting sensitivity protection. Its active ingredient, stannous flouride, builds a repairing layer over the vulnerable areas of your teeth and protects them from pain. When used as directed, Sensodyne Repair and Protect toothpaste provides effective lasting relief from the twinge of sensitivity and offers everyday cavity protection. Product