Hydrating Cream for Dehydrated Skin. This cream provides a balancing action that maintains skin s hydration day after day. It contains Ophiopogon plant extract which regulates water transfer; this Asian evergreen is known for its ability to resist drought and capture water. The. Hydradvance™ program was born of the Sothys advanced research team s latest technological discoveries in gene science. This advanced hydration GENerating program is a tailor-made solution providing incomparable moisturizing power with immediate and long lasting results. Sothys boletus mushroom extract, the active ingredient in this collection, acts on two fundamental mechanisms of hydration - hydric flow, the transfer of water from th.