An all-over brightening face serum formulated with Vitamin C and peptides for instant luminosity. This RoC® face serum with Vitamin C visibly brightens and tightens better than the #1 luxury Vitamin C serum.* The supercharged formula is clinically proven to deliver instant luminosity to your complexion. In fact, 94% had instant luminosity; in just 4 weeks, 100% had visibly brighter and tighter skin. Formulated with a 10% active Vitamin C Blend, RoC®’s lightweight daily brightening serum with antioxidants improves your skin’s radiance, revealing a visibly refreshed, more even complexion.\   *Based on patient self-assessment data after 4 weeks of use compared to the #1 luxury Vitamin C Serum in a clinical study*