1 and vitamin c do have a certain whitening effect. Usually, if you want to whiten, you need to eat foods rich in vitamins. It mainly uses the strong antioxidant capacity of vitamin C to effectively decompose melanin in cells, thus achieving the effect of whitening skin color.

2. Because vitamin C can promote the formation of collagen and rejuvenate the skin, thus delaying skin aging and indirectly whitening the skin. Vitamin C mainly exists in fruits and vegetables, so eating more fruits and vegetables helps to whiten the skin.

3. However, the function of skin melanocytes is affected by many factors, and the effect of vitamin C alone is still limited. It usually requires comprehensive protection.