Stronger skin for the win! Olay Niacinamide + Peptide 24 Serum is an anti-wrinkle serum formulated with 99% pure niacinamide to pack a powerful punch of benefits. This formula hydrates to strengthen the skin's moisture barrier for a stronger skin barrier and more even complexion, and to help visibly correct wrinkles. It feels clean, is fragrance-free, and goes on lightweight to absorb quickly without leaving a sticky or tacky feeling behind.