Doctor Shushu - 3 packets Made in Japan [1 packet: 1g] Simply dissolve in 5L of tap water. 50ppm hypochlorous acid water can be easily made in 10 seconds. Concentration can be adjusted freely. 100ppm with 2.5L Doctor Shushu Disinfects against strong bacteria and viruses that cannot be disinfected by general alcohol. It has the same pH as human skin, so there is no worry about skin irritation. A weakly acidic disinfectant that is gentle on the skin. 10 packets for 999 yen Please contact us if you would like to purchase in bulk.