Whether a woman's skin is white or not, it mainly depends on the capacity of melanin synthesis for the melanocytes. Daily diet is very important to achieve the purpose of skin whitening. The selection of proper foods can make our skin much whiter, however, there are also some foods which not only can't whiten the skin, but will make it much blacker on the contrary.

First, dark-colored food
You should pay attention to eat less dark-colored food, such as black beans, black sesame, walnuts, carrots, mushrooms, black fungus, etc. Try to eat more of the light-colored food such as milk, eggs, tofu, and fish, because they can make the melanin easily discharged from the body, and can also reduce the burden on the internal organs. At the same time, you should also drink less deep-colored beverages such as tea, cola and coffee.

Second, fried food
Fried food is the favorite for many people. However, although fried food has spicy and delicious smell, it is very harmful to human health. Eating fried food not only will easily cause fat, but also will accelerate the aging of the skin. Therefore, you should try to eat as less as possible. If you can not resist its temptation, you can eat some vitamin E-rich food before eating the fried food, so as to resist the aging. Such food includes pumpkin, spinach, whole wheat bread, peanut, sesame, brown rice and so on.

Third, food rich in tyrosine and rare elements
Studies have shown that the activity of tyrosinase is highly related with the rare elements such as copper, iron, zinc in the body. If people often eat food which contains a lot of tyrosine and rare elements such as copper, iron, zinc, their skin tends to be relatively very black. These foods include aquatic products, animal organs, crustaceans, beans, nuts and so on. Therefore, for people who live near the sea, as they eat a lot of aquatic products, their skin is always very black.

Fourth, additives
The internal organs of healthy people will maintain the normal metabolism of the body, and make the melanin discharged out smoothly. However, too much artificial additives in the food can cause burden on internal organs, resulting in the pigmentation of the melanin, and case the formation of dark spots, freckles and so on. In modern life, there are a lot of additives in daily food, such as chicken powder, preservatives, and artificial coloring matter, so you should pay great attention to them.

Last but not the least, you should remember, it doesn't mean that you should totally reject all of the above foods. We just suggest you should eat less, because excessive intake of these foods will influence the whitening effect.