Vita-Peptide Intensive Serum 4 Plus combined with Vita-Antioxidant Defence Crème Plus is the fifth and final step in the Vitamin STEP-UP SYSTEM™. It contains the highest concentration of vitamin A, in the form of Retinyl Palmitate and Retinyl Propionate as well as vitamin C, antioxidants, peptides plus other scientifically researched ingredients. This advanced combination of ingredients targets the visible signs of aging, taking the look of youthfulness to the next level.