Brand from Japan: Okuchi. For those who dislike the taste of mouthwash, this has a fruity mixed berry flavor.You'll be surprised to see the dirt in your mouth after rinsing.Rinse for 20 seconds for instant refreshment.Convenient stick type for portability.How to use:Open the packet, take one sachet (11 ml) into your mouth, rinse for about 20 seconds, and then spit it out. Rinsing with water after use is not necessary, but you may rinse if you are concerned about any remaining residue.*Please be careful as the contents may spill out when opening the package.