GUERLAIN 1 oz. Super Aqua Hydrating Serum The Super Aqua Serum is an iconic serum that provides intense hydration to the skin for a more youthful appearance. Fine lines and wrinkles are visibly filled out and the skin appears smooth, plump, radiant and revitalized. Reformulated with the NEW Aquacomplex Advance - the latest skincare technology - that promotes the flow of water to the skin to instantly rehydrate itself. Day after day, the moisturized skin is protected against the risk of future.