Brand from Japan: Kao. A toothpaste that generates carbonation when it comes in contact with water from a paste form.Carbonated bubbles penetrate into periodontal pockets and interdental spaces where dirt and bacteria tend to remain.Cleanses and thoroughly disinfects all areas of the mouth!Prevents periodontal disease.Contains the bactericidal ingredient CPC (cetylpyridinium chloride), the anti-inflammatory ingredient BGA (beta-glycyrrhetinic acid), and fluoride.Prevents periodontal disease (gingivitis and periodontitis), caries, and bad breath.Crystal soda flavor (quasi-drug).How to use:Take an appropriate amount (about 1 to 1.5 g or 1.5 to 2 cm) on a toothbrush and clean teeth and oral cavity.