RoC Retinol Correxion Deep Wrinkle Serum complements your skin's renewal process and is clinically proven to visibly reduce both fine lines and deep wrinkles. How it works: This light, silky fluid glides on easily and absorbs quickly, leaving your skin feeling smooth and velvety. The formula's technology combines pure RoC Retinol with magnesium, zinc, and copper to complement skin's renewal process and bring newer, younger-looking skin to the surface.