What It Is: Together at last: the brightening power of Vitamin C and the correcting power of Retinol join forces in one supercharged, lightweight serum. This ultimate collaboration is a skincare science breakthrough featuring two forms of stabilized Vitamin C + Acerola Cherry Extract to restore clarity and brighten dull, tired skin as Retinol smooths rough texture and fine lines all while helping to neutralize the effects of free radicals to skin. Amplified by NIA-114™, our proprietary form of Niacin, to strengthen the skin barrier for a renewed, glowing complexion. What It Does: Restores radiance and clarity to dull, tired skin Smooths away fine lines and uneven texture Visibly firms and improves elasticity How To Use: 1. Shake well2. Apply 1 to 3 drops to clean face in the morning and evening3. Follow with moisturizer and sunscreen during the day4. Works well with Super-C Dark Circle Brightening Eye Serum Results: 97% showed improvement in skin brightness* *Based on expert grading evaluation on 35 subjects at 6 weeks. 100% showed measured improvement in skin firmness** **Based on instrumental testing on 35 subjects at 6 weeks. 100% showed no irritation to skin*** ***Based on tolerability study on 35 subjects at 12 weeks.