ROC Retinol Correxion Deep Wrinkle Serum 1.0 oz. Visibly reduces deep wrinkles. This serum complements your skin"s renewal process and is clinically proven to visibly reduce both fine lines and deep wrinkles. 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. Non-comedogenic (won"t clog pores).