Cosmetic grade nicotinamide is a multifunctional active ingredient, which is widely used in the cosmetic industry. The whitening function is our main impression of cosmetic grade nicotinamide, of course, it is true that its whitening effect is very ideal.
The use of cosmetic grade nicotinamide skin care products, through the muscle floor cuticle, to block the transport of melanin to the melanosomes of keratinocytes, but does not inhibit tyrosinase activity and cell proliferation, thereby interfering with the deposition of melanin. This cosmetic grade niacinamide inhibits melanin production by interfering with the cellular signaling pathway between keratinocytes and melanocytes. It also acts on already produced melanin, reducing melanin deposition by reducing melanin migration to surface cells.
Cosmetic grade nicotinamide is used as a whitening ingredient in skin care products at a concentration of 2% to 5%. The effect of cosmetic grade nicotinamide is ideal. If the concentration is too low, the function may be affected and if the concentration is too high, the skin may become allergic. When we choose the corresponding cosmetic grade nicotinamide skin care products, we mainly pay attention to the concentration, it is recommended to try out a small area first.