Think your skin’s too sensitive for Retinol? Murad took the benefits of Retinol and made them better with Retinol Tri-Active Technology—found in Retinol Youth Renewal Serum, Eye Serum, and Night Cream. A fast-acting Retinoid, a time-released Retinol and a Retinol booster deliver the skin smoothing and rejuvenating benefits of Retinol immediately and over time while being gentle on skin. Use together to reduce fine lines and wrinkles while enhancing firmness and smoothness.