Bianca Seiyaku Sishutec (Spearmint), 500mlThis mouthwash is designed for those suffering from periodontal disease (pyorrhea). It contains isopropyl methylphenol and dipotassium glycyrrhizinate. It's perfect for those who have vague concerns about their teeth but aren't sure if they should go to the dentist, or those who aren't sure what else to do about mouth care besides brushing their teeth. Simply rinse your mouth for 10 seconds, and it's safe for children and the elderly.