Potassium manganate skin staining can be removed by rinsing with water, washing with soap and water, and white vinegar, which will usually remove it gradually. 1. Rinsing with water: If the skin coloring is not serious, rinsing with a lot of water will generally improve gradually. 2. Soap and water cleaning: If the color is heavy, you can use soap and water to wash repeatedly, the stained skin will gradually become lighter and gradually recover. 3. White vinegar: using white vinegar or dilute potassium acetate, for local cleaning, can also effectively remove potassium permanganate on the skin coloring. Potassium permanganate has a certain sterilizing and disinfecting effect, skin staining is normal, generally do not need special treatment. If the concentration is too high, it may damage the skin, and you need to go to the hospital in time to take appropriate treatment measures.