Obagi-C RX Sytem C-Clarifying Serum for Normal to Oily is formulated with a patented combination of 10% Vitamin C, 4% hydroquinone, and other ingredients. It works to even skin tone and reduce the appearance of fine lines and wrinkles resulting in smoother, more radiant skin.

Size: 1 fl oz (30 ml)

Apply in the morning after the Obagi C-Balancing Toner. Squeeze dropper into the palm of your hand. Apply evenly to your face and massage gently into skin taking care to avoid eyes. A slight tingling sensation may be felt initially as the Vitamin C is absorbed into the skin. Follow with the Obagi-C SunGuard SPF 30.

WARNING: Products containing hydroquinone should not be used when contemplating pregnancy or when pregnant or nursing.

Each gram of Obagi-C Rx System Clarifying Serum contains Hydroquinone USP 40mg/gm in a base of l-ascorbic acid (Vitamin C), propylene glycol, propylene, carbonate, purified water and sodium lauryl sulfate