Guerlain Skincare Super Aqua Serum This serum provides very intense hydration to the skin and maintains its youthful appearance. The skin looks smooth, radiant and revitalized and the lines and wrinkles become less visible. Aquacomplex Advance is the latest skin care technology that promotes the flow of water to the heart of the skin. Day after day, the skin is hydrated. Use Apply the serum to the face every morning and evening