SkinCeuticals Serum 10 is a dual antioxidant treatment featuring 10% L-Ascorbic Acid and Ferulic Acid. This preventive formula comes in a 30ml/1 fl oz amber glass bottle with dropper applicator. Key features: • Contains 10% L-Ascorbic Acid • Features Ferulic Acid • Dual antioxidant treatment • Preventive skincare formula • 30ml/1 fl oz size • Comes with dropper applicator The serum is packaged in a protective amber glass bottle to maintain ingredient stability. The dual antioxidant formulation combines L-Ascorbic Acid (Vitamin C) with Ferulic Acid for enhanced antioxidant benefits. This product falls under the 'Prevent' category in SkinCeuticals' skincare line.