The face is getting darker and darker, usually caused by skin pigmentation, including physiological factors and pathological factors, need specific analysis of each case. 1, physiological factors: some people with poor physical fitness, inadequate nutrition, lack of sleep, overwork may appear more and more dark face, dull complexion. If it is often in outdoor activities or work, due to the influence of sunlight, also easy to appear the performance of the face is getting darker and darker. In addition, the use of peptide drugs or photosensitive drugs, sometimes can also lead to face skin getting darker; 2, pathological factors: if suffering from hepatitis, cirrhosis, diabetes and other systemic diseases, or skin melanosis, etc., may appear face darkening gradually aggravate the phenomenon. Due to the sun, lack of sleep or fatigue caused by the face darkening, usually can not be special treatment, remove the cause of a period of time can be self-recovery. Black face caused by disease usually requires active treatment of the original disease, and the black face can recover after healing. In daily life, you need to regulate your diet, avoid staying up late and develop good habits.