Skin whitening has become a popular trend in recent years, with many individuals seeking ways to achieve a brighter and more even complexion. There are various ingredients used in skin whitening products that offer different benefits. In this article, we will explore two types of skin whitening ingr

B3 nicotinamide is also known as: vitamin B3, vitamin PP, 3-pyridinamide, Nikkenam. When synthesizing b3 nicotinamide, the "β-methylpyridine" is first oxidized into "niacin", and then chemically reacts with ammonia water to form "ammonium β-pyridine", and finally heat dehydration, forming b3 nicotinamide.