Developed in partnership with an advisory board of Dermatologists and Plastic Surgeons, RoC’s Fill + Treat Serum addresses the appearance of stubborn lines & wrinkles instantly & over time — no injection needed, with a unique precision tip for targeted application. Meant to replace or supplement in-office treatments, the patent-pending formula consists of 3 forms of Hyaluronic Acid that begin working right away to fill the look of lines while pure RoC® Retinol and Swertiamarin provide lasting improvements to deliver visibly younger-looking skin. 97% of users had instantly filled lines and 100% had visibly reduced hard-to-treat wrinkles in just 4 weeks.