Sowhite Smile natural whitening tooth powder. The formula contains activated charcoal, coconut extract and pure, natural mint extract. The synergy of effects is usually visible within a few days. The unique blend of activated charcoal and coconut shell, balanced with pure mint scent, is non-synthetic and chemical-free. Removes stains and discolouration of the tooth surface in a natural way: 100% natural product, vegan and safe to use. No side effects.