Sensodyne Repair and Protect Deep Repair toothpaste helps to repair deep inside the tubules and relieves sensitivity when you brush twice a day. Its active ingredient, stannous fluoride, builds a Sensodyne Repair and Protect Deep Repair and protects them from sensitivity tooth pain. When used as directed, Sensodyne Repair and Protect toothpaste provides long lasting sensitivity relief, while also keeping your teeth and gums healthy. Ingredients:Â Stannous fluoride, Glycerin, PEG-8, hydrated silica, pentasodium triphosphate, sodium lauryl sulfate, flavor, titanium dioxide, polyacrylic acid, cocamidopropyl betaine, sodium saccharin