p Sensodyne Rapid Relief Whitening is clinically proven for fast relief of sensitivity**. Its unique formula quickly creates a barrier over sensitive areas of your teeth. It starts by providing relief from the first brush, and with every brush builds ongoing protection*. *with twice daily brushing **Apply a pea-sized amount to a clean finger-tip and rub gently into each sensitive tooth (Max. twice per day) for 1 minute. /p