Vitamin C will not turn black when eaten during the day, but because VC is sensitive, users' skin will turn yellow if eaten during the day, so it is best to eat vitamin C at night. In addition, it is necessary to do a good job of protection. If you need to face the computer often, try to eat less light-sensitive food during the day, such as carrots and eggplant.

Vitamin C can inhibit the increase of pigment, fade freckles, whiten skin, shrink pores and adjust skin quality. Vitamin c can inhibit the production of melanin. Once melanin is produced, vitamin C can also weaken it. Please take more vitamin C to protect your skin from freckles. Vitamin C not only has whitening effect, but also can increase collagen and adjust skin quality.

Extended data:

Precautions:

1 and vitamin c are easily oxidized and lose their activity, especially copper and iron ions, which will accelerate their oxidation speed by thousands of times. However, pig liver contains copper ions and iron ions, so vitamin C and pig liver will make vitamin C produce other substances at the same time, which will be ineffective.

2. Do not eat with foods rich in vitamin B2 such as eggs and milk. Vitamin B2 is redox, and its oxidation is stronger than reduction. At the same time, both of them will not only make vitamin C ineffective, but also affect the function of vitamin B2 in the body, which can be said to be both losses.

3, while taking vitamin C, don't eat a lot of vegetables such as cucumbers and carrots, because these vegetables contain vitamin C decomposing enzymes, which can promote the decomposition of vitamin C, and then it won't work.

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