Pigmentation of the face after injury, you can choose medication, or take laser treatment and other physical therapy. 1. Medication: pigmentation on the face is more obvious, you can take vitamin C, vitamin E and other drugs orally, also can be combined with local topical application of vitamin E ointment, hydroquinone cream and other relief. 2. Laser treatment: for example, carbon dioxide laser, pulsed laser, etc., mainly using light beam irradiation of the skin, so that the pigment cells are destroyed, so as to achieve the therapeutic purpose. After the injury of the face, we should also pay attention to the wound care to prevent secondary infection, and go out with sun care to avoid deepening of pigmentation. If the effect of the above treatment is not good, you need to adjust the treatment program in time, specific should be carried out under the guidance of a professional physician.