Olay Luminous Niacinamide Sheet Mask Brightens Dull Skin For Radiant Glow From First Use. Instantly Reveals Skin?s Natural Radiant Glow. Olay Luminous Niacinamide Sheet Mask is specifically designed with a special elastic substrate to ensure optimal fit in a ultra-soft sheet for a relaxing and refreshing experience. It contains 1/2 the actives in a bottle of Olay Luminous Niacinamide Super Serum. Powered by 99% Pure Grade Niacinamide or Vitamin B3 that penetrates 10 layers deep, this mask brightens dull skin for plumper, more radiant skin from within. Formulated Without: Sulphates, Parabens, Phthalates, Petrolatum, Mineral Oils^