Discover Obagi’s best-selling Professional C Serum 20% ($142), formulated with vitamin C, 20-percent L-ascorbic acid and sodium hyaluronate, a type of hyaluronic acid. This fast-absorbing serum brightens skintone, reduces the appearance of dark spots, strengthens antioxidant defenses, and improves the appearance of fine lines and wrinkles for a supercharged, hydrated glow and more youthful-looking skin.
