RoC Derm Correxion Fill + Treat Serum visibly reduces lines and wrinkles. This serum, developed with dermatologists, plumps the skin with Triple Hyaluronic Acid. Patented Retinol and Swertiamarin provide lasting improvements over time. After four weeks, users see improvement in hard-to-treat wrinkles. Enjoy visibly younger-looking skin using this clinically proven formula.