Sensodyne Rapid Relief Sensitivity Toothpaste for Sensitive Teeth Extra Fresh?ÿ
has a formulation that has been engineered for speed. The active ingredient, stannous fluoride, builds a layer over exposed dentin to quickly create a protective barrier over the sensitive areas of your teeth. This is what helps keep outside triggers from reaching the nerves, providing clinically significant sensitivity relief in 3-days and thereafter with twice daily brushing.