Oral vitamin C can indeed have a certain whitening effect, is also a vitamin with antioxidant effect, after intake into the body can effectively fight free radicals, can prevent the generation of pigment cells, and can reduce the number of pigment cells that have formed, to achieve the whitening effect . It is recommended to eat more fruits containing vitamin C in daily life, which can play an auxiliary role in whitening, such as tomatoes, kiwi, dragon fruit, etc.. But simply choose to take vitamin C orally, the whitening effect is slow, you can choose to cooperate with the atomized water light or milk light and other physical treatment means to comprehensive treatment, so the effect is faster. You can also choose to apply topical hydroquinone cream and azelaic acid cream for local treatment, which can make the skin area you want to whiten, and quickly achieve the ideal treatment effect.