Other Information: Products containing stannous fluoride may produce surface staining of the teeth. Adequate toothbrushing may prevent these stains which are not harmful or permanent and may be removed by your dentist. This product is specially formulated to help prevent staining. Do not store above 30 degrees F (86 degrees C). Fluoride toothpaste for sensitive teeth and cavity prevention. #1 dentist recommended brand. Rapid relief & long lasting protection**. What is tooth sensitivity? Sensitivity occurs when the dentin underneath tooth enamel becomes exposed. When exposed dentin comes into contact with hot or cold, sweet or sour, or even your toothbrush, it can trigger the nerve causing a short, sharp pain. Cause of sensitivity pain. Tiny holes in dentin. Fast acting formula. Quickly creates a barrier. Fast relief from pain*. Fast relief* and long lasting protection**. Sensodyne Rapid Relief is clinically proven for fast relief of sensitivity pain. Its formula quickly creates a barrier over sensitive areas of your teeth to provide fast relief, and to help stop the pain from coming back. With twice daily brushing, it builds ongoing protection from the pain of sensitive teeth. It also helps whiten enamel and prevents staining. Always follow the label. * Significant pain relief in 3 days. ** With twice daily brushing. Questions or comments? 1-866-844-2797. Carton recycle. Tube recycle. Cap check locally (a). (a) Recycling facilities for this product may not exist in your area.