What it is: The Hydra-Global Serum Anti-Aging Hydration Booster is the first fundamental daily step in reinforcing the skin's power of auto-hydration.Who it's for: All skin types.What it does: To boost the skin's intensive natural hydration, the serum acts on the three key stages of the water cycle by using the power of key ingredients of natural origins. It increases water reserves and promotes water circulation in the epidermis. A fresh, delicate and light texture that leaves a bare-skin sensation. Instantly absorbed, it allows daily skin care to be applied immediately. How to use: After cleansing and toning the skin, apply to face and neck, morning and evening. Follow with moisturizer of choice. 1 oz.