The black and white skin can be adjusted to some extent through diet. This is because the black and white skin is related to the amount of melanin in the skin. The adjustment of diet can reduce the synthesis of melanin and contribute to the whitening of black skin. First, reduce the food intake of tyrosine because tyrosine is the basic substance of melanin. In other words, melanin is converted from tyrosine. If the intake of tyrosine is less, then the food that synthesizes the basic substance of melanin will be reduced and the skin will turn white. So eat less food containing tyrosine, such as potatoes and sweet potatoes. Second, a series of reactions formed by eating more foods containing vitamin C are oxidation reactions, but adding vitamin C can block the formation of melanin. Therefore, eat more foods containing vitamin C, such as jujube. Fresh dates, tomatoes, oranges, fresh green leafy vegetables, etc. Third, pay attention to the intake of foods containing vitamin E. Vitamin E is an antioxidant in the human body and can inhibit the peroxidation of unstable compounds such as unsaturated fatty acids, while lipofuscin in the human body is a peroxide of unsaturated fatty acids. Vitamin E can effectively resist the deposition of lipofuscin on the skin, keep the skin white for a period of time, and also has anti-aging effect. Foods rich in vitamin E include Chinese cabbage, cauliflower, sesame oil, sesame seeds, sunflower seeds and rapeseed oil. Dietotherapy for whitening skin 1. Wax gourd yellow wine paste wiping method Take fresh wax gourd, peel it and cut it into pieces, add yellow wine and water to the pot, cook it into paste, cool it in the sun, put it in the refrigerator, wipe it every night, and take it out after 1 hour. After one month, the skin will turn white obviously! ! ! 2. Oral method of melon seeds and egg whites Take three parts of watermelon seeds, one part of orange and one part of osmanthus, mix the three parts, chop them, add rice soup and mix well, take a fresh egg, knock a small hole to make the egg white flow into the mixed solution, and take it after heating and cooling, which has whitening effect! ! ! Try it. It's very useful. Beauty is in your hands. Wave the wand in your hand and let it change quietly on your face!