With age and ultraviolet radiation skin will leave pigmentation. Skin whitening is also extremely important in the work of clinical dermatology, and the following methods are mostly used for whitening: First, pay attention to sun protection, ultraviolet radiation will aggravate the proliferation of skin melanocytes, resulting in skin pigmentation, pay attention to protect yourself, wear hats, masks, umbrellas, sunscreen, etc. Second, eat more vegetables and fruits rich in vitamin C and vitamin E. Both vitamin C and vitamin E have a whitening effect, such as spinach, cabbage, carrots, lemon, pomegranate. Third, can be used externally arbutin composition of skin care products hydration, moisture for skin care. Fourth, you can also inject whitening needles, you need to go to the hospital under the doctor’s orders to operate.