Wound disinfection with violet solution is widely used in daily life. Violet solution has the function of disinfecting and sterilizing wounds and preventing further infection. However, if you rub the wound with purple solution for a long time, especially if you rub more, the surrounding skin is easy to have pigmentation. Treatment methods are: 1, if the wound has completely healed can be considered with a cotton swab dipped in saline cleaning, remember not to use tap water to rinse the wound at this time, because the wound may be infected because of tap water rinse. 2, if the wound is not completely healed can be changed to cotton swabs dipped in alcohol disinfection, alcohol also has the function of sterilization, disinfection, alcohol wiped wounds lead to the skin pigmentation is very unlikely! Because alcohol is colorless, after rubbing the wound with alcohol, the original pigmentation of the wound will slowly fade away.