Hypochlorous acid water is a safe and non-toxic sterilization product, It is also a food-grade safety additive, The chlorine concentration commonly used in hypochlorous acid water is about 10 ~ 30ppm, The PH value is between 5 and 6.5, Colorless and tasteless, The pH number is similar to that of skin, It won't stimulate at all, And it is not irritating to the wound, High safety, The sterilization effect surpasses that of alcohol and hydrogen peroxide, Hypochlorous acid can act on cell wall and virus shell in the process of sterilization and virus killing. Because hypochlorous acid molecules are small and have no charge, it can penetrate into bacteria (viruses) through cell wall and react with bacteria (viruses) body proteins, nucleic acids, enzymes, etc., destroying the enzyme system of bacteria and hindering the metabolism of bacteria, thus killing pathogenic microorganisms. It is generally used for disinfection and cleaning of doors, door handles and desktops in public places.