SkinCeuticals Metacell Renewal B3 is designed to target, repair and prevent the visible signs of photo-aging.A 5% concentration of niacinamide diminishes hyperpigmentation while peptides and glycerin firm skin and smooth expression lines and deep wrinkles.Amino acids enhance collagen production for skin that is radiant, renewed and revitalized.Benefits:• Promotes skin renewal by increasing EPIDERMAL cell turnover.• Strengthens skin’s moisture barrier.• Reduces the appearance of blotchiness and dark spots.• Lightweight B3 serum delivers intense hydration without a heavy or tacky feel.• Helps improve the appearance of skin’s firmness.