Face scratched by nails pigmentation marks usually fade in about 3~10 months, can be accelerated through dietary control, application of ointment, laser treatment to speed up the fading. 1. Dietary control: You can lighten the melanin and promote the fading by dietary control, take food containing vitamin C and vitamin E, and try to eat less soy sauce and spicy food to prevent the scar from proliferating. 2. Apply ointment: you can also lighten melanin by applying ointment, commonly used are polysulfonic acid mucopolysaccharide cream, hydroquinone cream, vitamin E cream, etc., which can lighten the scar pigment, and can accelerate the metabolism of the pigment and fading, if the use of the process of not appearing uncomfortable, immediately stop the medicine, should promptly go to the hospital to consult a doctor. 3. Laser: laser is the use of a certain wavelength of laser to destroy the melanin particles of the skin, to remove the role of facial pigmentation spots, after laser must pay attention to sun protection, avoid direct sunlight. Scratch pigmentation marks, generally about 3 to 10 months will be metabolized and subside, such as pigmentation marks persistent, should promptly go to the hospital for medical treatment.