Niacinamide, also known as vitamin B3 or nicotinamide, is a water-soluble vitamin that belongs to the vitamin B complex group. It plays a significant role in various metabolic processes in the body and is essential to maintain overall health. In skincare, niacinamide is valued for its ability to regulate oil production, reduce fine lines and wrinkles, fade hyperpigmentation and dark spots and improve the overall appearance of skin. Niacinamide is used in skincare products including serums, toners and creams and is a popular choice in anti-aging products.