Sensodyne Original Toothpaste is specifically formulated to have low abrasive and also provide effective cleaning, so Sensodyne Original Toothpaste helps protect dentine and relieves painful sensitivity. Brush twice daily and not more than three times. Minimize swallowing and spit out. Sensodyne Original Toothpaste helps to protect against the pain of sensitive teeth by blocking the dentine tubules. This prevents the stimulus from reaching the nerve.