Cosmetic grade nicotinamide is a common ingredient in skin care products. This ingredient as early as in the middle and late 20th century, there were British people used to configure creams and creams. At that time, 1%~5% nicotinamide and 1%~4% sunscreen were used to mix, which can play a whitening role. The mechanism of whitening is that the cyclic 3, 5-nucleotide phosphodiesterase activated by nicotinamide reduces melanin deposition by stimulating the decomposition of 3, 5-cyclic adenosine into adenine-5-monophosphate.
Cosmetic grade nicotinamide in the application of skin care products is usually not used alone, and equipped with some other substrate, especially the application of moisturizer, helps to prolong the absorption of cosmetic grade nicotinamide, improve the effect of absorption, usually this moisturizer itself will also have more excellent close skin sex or promoting effect, therefore, can help us better absorption of cosmetics niacinamide, And achieve the ideal effect.