1. diet-eat more foods rich in vitamin c, such as oranges, blueberries, tomatoes, oranges, etc. A large amount of vitamin C can help whiten skin color, which is a relatively healthy method.

But at the same time, we should also pay attention to eating less animal liver and beans, because the copper or zinc contained in these foods will make the skin black. In addition, sensitive foods such as celery, fennel and coriander should not be eaten or eaten less during the day, which will increase the chance of pigmentation after sun exposure.

2. Care-do a good job of moisturizing and sun protection during the day and isolate external ultraviolet rays. Radiation damage to the skin, do a good job of hydrating and whitening at night, replenish skin moisture, let the skin metabolize normally to form pigments, and use whitening products to accelerate the metabolism of the formed pigments.