Is the whitening effect of cosmetic grade nicotinamide real?

Does cosmetic grade nicotinamide really have whitening effect?

This question, I think a lot of friends want to know, in fact, cosmetic grade nicotinamide is one of the few scientific validation of safe and effective whitening ingredient, the application of it so far is relatively mature, also you can find from the low-end to high-end cosmetic products, cosmetics level application of nicotinamide are very common.

The mechanism of action of cosmetic grade nicotinamide is that it can effectively inhibit the deposition of melanin in the skin, accelerate the metabolism of cuticle, promote the replacement of melanin that has been deposited, and also inhibit the production of new melanin. Is the function of cosmetic grade nicotinamide very good?

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