For a sparkling white smile, turn to Eco-Dent ExtraBrite Tooth Whitener. This naturally effervescent baking soda toothpowder in a dazzling mint flavor has even more whitening power. This less abrasive formula neutralizes mouth acids while cleaning teeth and freshening breath without fluoride. Up to 200 brushings in each bottle. 100% cruelty free. SLS-free. No dyes or sweeteners.