A paste toothpaste that generates carbonated foam on contact with water as baking soda and citric acid react. It has a Crystal Soda flavor and is classified as a quasi-drug in Japan.
Features
Self-foaming action occurs when the paste comes into contact with water.
With brushing, the foam reaches gum pockets and between teeth for cleansing.
Contains cetylpyridinium chloride, beta-glycyrrhetinic acid, and fluoride.