There is no need to wash off the tincture of Momordica charantia after application. Hundred parts tincture has the effect of expelling wind and killing insects, for itchy skin diseases have a better therapeutic effect, but also can kill pubic lice, head lice, scabies, body lice and other parasites, if the skin parts of the parasites or have insect biting dermatitis and so on, you can directly apply the Hundred parts tincture. After the local application, there is no need to wash off with water, and usually the drug will gradually evaporate on its own. However, care should be taken when applying Tincture of Hundred, as it is quite irritating and is likely to cause some damage to the skin of infants and young children. The affected skin should be cleaned before using the drug, and then applied topically under the direction of a doctor until the condition is completely healed.