better than the #1 luxury Vitamin C serum. This supercharged formula delivers instant luminosity, and in just 4 weeks, 100% had visibly firmer, more luminous skin, with visibly reduced lines & wrinkles. Formulated with a 10% active Vitamin C Blend, this lightweight daily serum improves skin’s radiance to reveal a visibly refreshed, more even complexion. Multi Correxion RoC Daily Serum Revive and Glow 30ml Vitamin C Visibly Tighten RoC