Brand from Japan: Kobayashi. Tooth squeaky.Dental rinse to prevent alveolar pyorrhea.Contains 6 naturally derived ingredients to prevent alveolar pyorrhea and gum inflammation.Contains hinokitiol (synthetic ingredient containing hiba) and β-glycyrrhetinic acid (licorice-derived ingredient).Contains 3 tightening ingredients, birch extract, angelica acutiloba extract (1), and peony extract.Herb mint flavor with a tight feeling.How to use:Put an appropriate amount of about 10 mL (the line inside the cap) in your mouth.Rinse it for about 20 seconds, and then brush it.After brushing, rinsing with water does not change the effect.