Niacinamide: From 'whitening panacea' to 'skincare hexagonal warrior', why is it

⁣Niacinamide, also known as nicotinamide, vitamin B3 or vitamin PP, is a water-soluble vitamin belonging to the B group of vitamins. It is a component of coenzyme I (nicotinamide adenine dinucleotide, NAD) and coenzyme II, and the nicotinamide part of these two coenzyme structures in the human body has reversible hydrogenation and dehydrogenation characteristics
Plays a role in hydrogen transfer in biological oxidation, promoting tissue respiration, biological oxidation processes, and metabolism, which is of great significance for maintaining the integrity of normal tissues, especially the skin, digestive tract, and nervous system.
When lacking, this product is mainly used to prevent and treat pellagra, stomatitis, glossitis, etc. due to the influence of cell respiration and metabolism.