This progressive whitening toothpaste combines very tiny crystals of sodium bicarbonate to produce an effective plaque-preventing and stain-fighting formula. Kin Whitening Toothpaste helps teeth recoup their original whiteness while preventing cavities. Benefits and Features Removes stains Restores natural colour of teeth Inhibits the growth of tartar How to use? Brush teeth for 2 to 3 minutes, at least twice a day, preferably after every meal and before bedtime. Do not swallow