Shipping will be via Yamato Transport, and residents of Kyushu, Okinawa, remote islands, and Hokkaido will incur an additional shipping fee (from 200 yen), so please let me know before purchasing. Since the price is lower than the market price, please refrain from price negotiations. This mouthwash contains L-8020 lactic acid bacteria and is effective in keeping the oral cavity clean. L8020 is known to exist in the mouths of people who do not have cavities. - Model Name: L-8020 - Quantity: 6 bottles - Features: Contains lactic acid bacteria - Application: Mouthwash - Country of Manufacture: Japan Contents: 500ml Rakurash Mouthwash, oral rinse, for cavities and periodontal disease