Whether Shuangyiren hypochlorous acid is genuine depends on whether it has a formal trademark. Determine whether it is genuine: look at the trademark, see if it has a national license, and scan the QR code to check it in the official store. Hypochlorous acid is mainly used as a disinfectant and is widely used to disinfect surfaces, fabrics and other contaminated items, as well as water, fruits and vegetables, and food and drink utensils. In addition to the above uses, hypochlorous acid can also be used to disinfect indoor air, surfaces of secondary water supply equipment and facilities, hands, skin and mucous membranes.