Olay White Radiance Niacinamide + Hyaluronic Super Serum is a deeply hydrating formula enriched with Hyaluronic Acid and 99% Pure Niacinamide that plumps up the skin, for visibly smoother and more radiant skin in 28 days. It penetrates 10 surface layers deep^ and is easily absorbed to intensely hydrate the skin and bring our your dewy glow from within. Directions: Use 2 pumps twice a day after cleansing and toning, and before moisturizer. Apply evenly on face until the serum is absorbed. How to use the auto-dropper: (1) Twist and turn the cap to automatically draw out the serum (2) Press and hold the pump to dispense on palm or fingers.