Usage Instructions
How to Use:
Apply in the morning after C-Cleansing Gel as part of the Obagi-C Rx System.
Ingredients:
Each gram of Obagi-C Rx System C-Clarifying Serum contains Hydroquinone USP 40mg/gm in a base of propylene glycol, propylene carbonate, L-ascorbic acid (Vitamin C), purified water and sodium lauryl sulfate.