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

Nicotinamide is mainly an active ingredient in skin care products, which can achieve the effect of hydrating and locking water, and it also has the effect of diluting melanin, which can make the skin more tender and shiny.