Sensodyne Rapid Relief Whitening whitens tooth enamel and prevents staining while providing clinically proven relief from dentine hypersensitivity in just 60 seconds*. Its unique formulation acts within seconds and quickly begins to form a barrier in the sensitive areas of your teeth. It provides quick relief and long-term protection against sensitivity pain with every brushing. What is it used for? • Clinically proven relief in 60 seconds* • Long-term protection with regular brushing twice a day • Whitens tooth enamel & prevents staining