Niacinamide, also known as Vitamin B3, nicotinamide, nicotinic acid amide, or 3-pyridinecarboxamide is a water-soluble vitamin that is vital to supporting multiple processes within the skin. It is a multifunctional ingredient that can support the skin barrier (making it ideal for dry skin), brighten, and reduce signs of congestion by balancing visible sebum activity. It has been investigated for it's multiple skin benefits at concentrations varying from 0.2% up to 20%.