Brand from Japan: Kao. Even if you can't brush your teeth, you can still use foaming mouthwash!Approximately 10 million bubbles automatically disperse impurities.Effectively removes food debris, odors, and bacteria, providing a comprehensive rinsing experience.Simply place the foam directly into your mouth, rinse for 20-30 seconds, and then spit it out.No rinsing required.The antibacterial ingredient CPC (hexadecylpyridine chloride) kills bacteria and prevents bad breath.The cleanser (anhydrous sodium pyrophosphate) thoroughly cleanses the mouth.Refreshing mint flavor.How to use:1. Place the foam directly into your mouth.2. Rinse for 20-30 seconds.3. Spit out (no brushing required).