A new product released in December 2025. A nightly habit of a heavy carbonate*² mouthwash for about 20 seconds*¹. The heavy carbonate*² infused mouthwash cleanses every corner of your mouth, even areas that are difficult to reach with brushing. It leaves your mouth feeling refreshed*³ before bed. Furthermore, the active ingredient CPC*⁴ suppresses the growth of bacteria during sleep, preventing bad breath. Wake up to a clear, refreshing breath. A non-alcoholic, mild relax mint flavor, perfect for before bed. Add a plus-one habit to your nighttime oral care routine. *1 Rinsing time. Rinse for 20-30 seconds and then spit out. *2 Cleaning ingredient: Sodium bicarbonate *3 Refers to the feeling of use *4 Cetylpyridinium chloride hydrate Mild Relax Mint Flavor 300mL 1,650 yen (tax included)