Your skincare prescription for delivering anti-oxidant Vitamin C in its most concentrated and stable form. C-FIX harnesses Sodium Ascorbyl Phosphate (SAP), a highly stable vitamin C derivative that activates into ascorbic acid upon contact with the skin. Research indicates that SAP is the optimal form of vitamin C due to its superior stability and ability to effectively increase vitamin C levels within skin cells compared to other forms. Directions: Mix a small amount with your skincareRX Morning Complex for enhanced benefits.