BICARBONATE OF SODA with teeth cleaning ingredients, penetrate into the teeth gap, carefully cleaning tartar stains. Bicarbonate of Soda is an alkaline powder that is slightly corrosive when dissolved in water. It is easier to remove dirt than water. Plus, bicarbonate of Soda produces carbon dioxide gas when exposed to water, and air bubbles create a stirring function, so Baking Soda works even if you’re slightly dirty at home, especially if you’re constantly cleaning an area or object. Whiten your teeth, protect your gums, and reduce plaque. FRESH MINTY, fresh breath