Dr. Grandel HYDRO ACTIVE Oxygen Moisturizer is a lightweight fluid that hydrates and revives the skin. It is like “A BREATH OF FRESH AIR FOR YOUR SKIN”. It activates skin’s metabolism and reinforces skin’s natural defenses. Infuses skin with deep hydration and creates an instant feeling of freshness. Gives skin a radiant, vibrant glow. Can be used alone, or, as a fluid under another moisturizer.