Like a cool drink of water for your skin. Experience instantly hydrated, dewy skin and a visibly healthy complexion in just two weeks of daily use of this powerful serum. We’ve crafted this Deep Hydration Serum with niacinamide and hyaluronic acid to penetrate your skin’s surface and quench dryness from within. One single drop has the power to visibly renew one million skin cells. To use, apply several drops to clean skin and then seal in your treatment with your favorite Olay moisturizer. This fragrance-free serum absorbs quickly and cleanly without leaving skin feeling greasy. So drink up!