A skin-brightening daily serum with stable Vitamin C at 15% and antioxidants (Vitamin E & Ferulic Acid) at 1% combined. What Makes it Special? Made with stabilized Vitamin C derivative "Ethyl Ascorbic Acid" (EAA) that has 86% pure Vitamin C content. This serum delivers EAA in high concentration of 15% 1% blend of 2 potent antioxidants - Vitamin E & Ferulic Acid. Together they not only stabilize the formula, but also improve efficacy of Vitamin C Contains Fullerenes (C60), a new generation antioxidant (the scientists who discovered Fullerenes were awarded Nobel Prize). It is several times more potent than Vitamin C and has strong, long lasting and stable anti-oxidative activity The combination of actives not only brighten the skin, but also scavenge free radicals to reduce redness, skin damage and make skin healthy overall Formulated with ET-VC, high purity Ethyl Ascorbic Acid, from Corum Inc, Taiwan Product Highlights Skin concerns it targets Dull skin · Uneven tone · Dark spots Suitable for All skin types Highlights Fragrance free · Essential oil free · Non-comedogenic pH 3.5 - 4.5 How to use? After cleansing and toning your face, take 2-3 drops of Vitamin C serum on your fingertips with the dropper. Apply it on the face by gently tapping it on the skin. With a circular motion, evenly spread the serum and allow your skin to absorb it. When to use: AM & PM. Everyday