Niacinamide (Vitamin B3) — (See also vitamin B) a potent cell-communicating ingredient that offers multiple benefits for aging skin. It repairs damaged skin cells and eliminates skin cells with damaged DNA so they cannot reproduce. It stops cells that produce pigment from transferring that pigment to surface skin cells, thereby minimizing unwanted dark spots. It helps the skin produce more ceramides and fatty acids where needed while regulating sebum production where it is not needed. Redness and inflammation are visibly reduced. Collagen production is increased.