Strengthen. Firm. Reduce wrinkles. Niacinamide: Day 1: 24-hour hydration to visibly firm skin. Week 2: Reduces the appearance of fine lines and wrinkles. Formula with 99% pure niacinamide for strong skin (improvement in skin moisture barrier). Dermatologist tested. Proven results in every jar. Niacinamide. Vitamin B5. Peptides. No parabens, no phthalates, no synthetic dyes. Complete your regimen with Olay Retinol24 Night Moisturizer.