Derma dictionary

Niacinamide is a natural source of Vitamin B3 found in food such as yeast, vegetables and grains.  Niacinamide increases the production of ceramides (an essential component of your lipid barrier), keeping the skin strong and preventing Trans Epidermal Water Loss (TEWL). Not only is it a proven antioxidant it goes a step further can helps reverse sun oxidative damage on your skin.