Sensodyne Full Prot Size 4 Oz Sensodyne Full Protection Plus Whitening Toothpaste - Sensodyne Full Protection Teeth Whitening Sensitive Toothpaste is an SLS-free toothpaste that helps relieve painful tooth sensitivity and keeps pain from coming back. With twice daily brushing, this potassium nitrate and sodium fluoride toothpaste are specially formulated to form a soothing layer around the nerve, deep inside the tooth, building 24/7 sensitivity protection against painful sensitivity of the teeth to cold, heat, acids, sweets, or contact. This anticavity and gum health toothpaste also offers all the benefits of regular cavity protection toothpaste and prevents tartar buildup, leaving you with fresh breath and a clean feeling in your mouth. For best results, brush for two minutes, twice daily. Get lasting protection from tooth sensitivity with Sensodyne.