Vaking soda an break down into particles and prevent the gap in the ename with powerful cleaning power, effectively helping remove stains and food particles while neutralizing plaque is acidat at the same time. 2. Contains natural herbal extract and oils, mild and non toxic, no fluoride, peroxide, potassium nitrate, or strontium chloride. 3. Two pleasant flavor are available for free options : passion fruit flavor and blueberry flavor, futher to keep your mouth fresh and improve gum health. 4. It’s can be used to deeply clean your teeth and remove coffee, tea, wine and tobacco for stains, strengthen enamel and gum, refresh the bad breath and prevent tooth decay after long time continous use.