Vitamin A in the form of retinol is the key to healthier, younger looking skin. Retinol Plus offers cumulative benefits that promote skin renewal. Within 2 weeks, skin will appear smoother and more radiant from the following cell-signaling ingredients: retinol, carnitine, and lecithin. After 8 to 12 weeks, Retinol Plus will diminish the appearance of fine lines and wrinkles. The âplusâ is a Palmitoyl Tri-Peptide complex featuring Palmitoyl Pentapeptide-4, Myristoyl Pentapeptide-8, and Myristoyl Pentapeptide-11. Retinol Plus also contains copper, MSM (organic sulfur), and sodium hyaluronate.