1, drink plenty of water, water is the source of life, and its influence on human body is irreplaceable! Drinking eight glasses of water a day is what most people want in order to eliminate toxins in the body in time.

2, eat more fruits with more water, especially in hot days, ultraviolet radiation can increase melanin production, and it is best to eat more than 4 kinds of fruits and vegetables every day. Appropriate supplementation of cellulose, vitamin C and vitamin E.

3. Eat less food rich in tyrosine. Melanin is converted from tyrosine by tyrosinase. If the intake of tyrosine is less, there will be less basic substances for synthesizing melanin, and the skin will turn white. So eat less food rich in tyrosine, such as potatoes and sweet potatoes.