Nicotinamide is the amide compound of niacin, which is a powdery white object. This substance has a bitter taste but does not have any foul odor. Nicotinamide is used both as a drug and in the production of cosmetics. When nicotinamide is applied in the field of cosmetics, it will be made into some skin care products for external use. It is mainly used as a whitening additive to whiten skin. Nicotinamide plays a very important role in the whitening effect, it can prevent the deposition of melanin in the body, while also speeding up the already deposited black cells’ faster metabolism.
Nicotinamide, in addition to promoting the synthesis of new cells, and making newly synthesized cells more active, can also improve the epidermal layer of skin. Long-term use of nicotinamide will form a protective film on the skin surface, which can not only lock the moisture of the skin but also play a good maintenance role on the skin, making the skin more moist and shiny.
In addition, the study found that nicotinamide on the dilution of spots also has a significant effect, long-term appropriate use, the face of dark spots, a variety of sun spots, and iris will gradually fade, let our skin is getting better and better. However, the higher the concentration of nicotinamide, the greater the irritation, so it is recommended to do an allergy test before use.