A first of its kind Vitamin C serum - clinically proven to brighten, even, and protect, without irritation. Powered by Advanced TFC8® to unlock the full potential of stable, gentle Vitamin C. Advanced TFC8® optimizes skin's renewal processes and enhances formula efficacy, unlocking the full potential of stable, gentle Vitamin C (Ascorbyl Glucoside) with no irritation. Delivers clinically proven, superior brightening results* with a synergistic blend of Ascorbyl Glucoside and Ergothioneine..A cushiony, water-light serum that absorbs quickly without tackiness.Advanced TFC8® is a complex of high-grade vitamins, lipids, and high-performing, proprietary peptides that features a proprietary biomimetic delivery system developed by Professor Bader.A stabilized Vitamin C that brightens, evens, and visibly reduces dark spots while helping protect against free radical damage and future signs of aging.30ml.Dispense 2 pumps into hands. In upward sweeping motions, smooth over the face, neck and decollete until fully absorbed.