Human skin color is usually determined by the amount and type of melanin in the melanocytes in the skin, and is generally related to genetic, endocrine, environmental and other factors. Skin darkening may exist disease factors, but the natural black skin is mostly due to non-disease factors, want to whiten the whole body, the most obvious effect is to try to use whitening products, but also can be supplemented by diet, Chinese medicine conditioning and other ways to improve. First of all, if you want to change your skin from black to white, you can use all-natural whitening products and stick to them. You can also consider using whitening injections, the main ingredients are vitamin C, glutathione, tranexamic acid and other reducing agents, which can inhibit melanin synthesis to make the skin color white, may have a certain effect, but the effect varies from person to person. Secondly, it can also be supplemented with Chinese medicine treatment, which may have some effect by activating blood and lightening pigmentation through Chinese medicine. In terms of diet, you can eat more fruits and vegetables rich in vitamin C as well as vitamin E, which can usually have a certain inhibitory effect on the synthesis of melanin, thus making the skin relatively whiter. Finally, beauty seekers should pay attention to, in the use of whitening products at the same time must do a good job of sunscreen, because ultraviolet rays can promote the synthesis of melanin, resulting in skin darkening. Normally, if you are exposed to radiation items for too long, pay attention to apply isolation to prevent radiation, go out and remember to apply sunscreen, bring a sunscreen umbrella to avoid sun exposure.