Nicotinamide is a very functional component, which has a variety of physiological functions, such as whitening, moisturizing, oil control, anti-aging, etc., which can more comprehensively improve all kinds of skin problems. After years of experiments and tests, nicotinamide has been regarded as a magical cosmetic ingredient for many years because it is effective in delaying skin aging and inhibiting melanin precipitation.
How does nicotinamide whiten skin? Nicotinamide can block the transfer of melanin to surface cells, accelerate the cutin containing melanin, dilute the yellowing after protein glycosylation, and achieve the whitening effect. The concentration of nicotinamide also affects the effect of use. Generally speaking, if the concentration is less than 2%, its use effect will not be ideal, nicotinamide in skin care products, and cosmetics, the use concentration is mainly 2%~5%.