Niacinamide is a trending ingredient, but we've included it in our products for years. If you're looking to add a little niacinamide to your life, check out our Redefining Serum, PolyPeptide Collagel Eye Masks, 5X Power Peel, or Solar Defense Tinted and Non-Tinted. . . . #hydropeptide #niacinamide #bestskincare #skincarejunkie #skincareingredients