PCA SKIN Vitamin b3 Brightening Serum Niacinamide is finally getting the recognition it deserves and for good reason. Also known as B3 or Nicotinamide, Niacinamide is a water-soluble vitamin that can improve the look of pores, brighten skin tone, improve fine lines and strengthen the skin’s barrier, thus reducing the impact of environmental damage. Niacinamide is a great addition to any skincare routine because it works for every skin type and is compatible with every product in your skincare stash.…