Periodontal disease prevention Candida fungus sterilization Halitosis prevention Cavity prevention It is highly effective for the above. This product is used only in limited dental clinics. 1 bottle: ¥2530 2 bottles: ¥4600 3 bottles: ¥6600 4 bottles: ¥8800 5 bottles: ¥10300 6 bottles: ¥11800 10 bottles: ¥19000 Please inquire for larger quantities. The second image is the manufacturing date. It can be used without any problems for 3 years from the manufacturing date. Directly sourced from the manufacturer. We always sell new products. Shipped via Yu-Packet Post. Due to the thickness limit, we cannot wrap it with bubble wrap. We will send it in simple packaging. We do not offer discounts. PerioBuster N PerioBuster N