First, niacinamide can interfere with the transport of melanin, restrict melanin in melanocytes, prevent melanocytes from continuing to produce melanin, and avoid the transmission of melanin to the skin surface to make the skin black, so as to achieve the effect of whitening. Second, niacinamide has been proven to have a good anti-glycation effect, and the substance produced by skin glycation is brown, which will make the skin look black, and the anti-glycation of niacinamide helps to whiten the skin, thereby brightening the skin tone.
