WHAT IT IS Youthful Boost Serum is enriched with vitamin A and helps restore your skin to its youthful appearance. WHAT IT DOES Youthful skin fast. This silky serum plumps hydrates and restores skin s youthful integrity. Uniquely formulated with peptides antioxidants and hyaluronic acid Satin Smooth reg Youthful Boost Serum helps skin look and feel younger. Matrixyl 3000 and Hyaluronic Acid Vitamin A Niacinamide and Mandelic Acid Paraben free