Potassium permanganate can be diluted with tap water, but it should be heated and then diluted, so that the effect is better, especially when there is inflammation of the vulva or there is a wound in the case of infection, using hotter water to give a sitz bath can promote the local blood circulation, so that inflammation can be absorbed as soon as possible, so it is recommended that the water is heated and then diluted. The dilution ratio of potassium permanganate is 1/5000, that is, the diluted water is light pink in color, which basically meets this standard. Potassium permanganate is a strong oxidizing agent, mainly has the effect of sterilization, disinfection, so in the clinic is often used in the local care of the vulva, such as trichomonas vaginitis, bacterial vaginosis, or post-partum vulvar wounds, after surgery, you can use potassium permanganate cleaning.