Scratched scars left by melanin deposits can be considered to remove the topical medication, but usually the effect is limited, you can also choose to remove the laser. 1. medication: such as vitamin E cream, adapalene gel, can accelerate the skin metabolism and play a certain degree of antioxidant effect, thus helping to lighten the black marks, but due to the slow effect of drugs, need to be used for a long time to have a certain effect. 2. Laser treatment: photorejuvenation, picoseconds and other photoelectric treatment, the use of laser photothermal effect on the skin pigment particles decomposition, and with the body’s metabolism out of the body, this treatment is more commonly used, the treatment is rapid and good results. It should be noted that after laser treatment may lead to slight stimulation of local skin, slight redness and swelling as well as pain, so it is necessary to pay attention to good skin care after laser treatment, such as strict sun protection, hydration and moisturizing. It is recommended that patients who wish to be treated go to the dermatology department of regular hospitals for treatment in a timely manner, and avoid blindly using medication to avoid adverse consequences.