Brand from Japan: Dr.Oral. This is a new type of mouthwash that can design your breath.Contains four kinds of tea ingredients to completely remove the root cause of bad breath and protein stains!Tea extract (black tea extract, green tea extract), oolong tea extract, tea extract (all are moisturizers)Three cleaning aids and eight oral care ingredients keep your mouth fresh.Refreshing peach mint tea flavor.Unique blend of breath freshening ingredients.How to use:Take an appropriate amount (10mL) and put it in your mouth. Rinse your mouth for about 20 seconds and then spit it out.No need to rinse with water after use.It removes protein stains from bacterial growth that causes bad breath.Individual results may vary.