Hyséac Hydra It is the ideal ally for skins undergoing treatments, providing immediate and long-lasting comfort. Immediately in favor of TLR2 Regul (patent Uriage) and Barbary fig extract, enhances the product's soothing properties and provides immediate comfort. Restores the skin barrier: thanks to the patented cerasterol-2f complex, this treatment helps strengthen the skin barrier while respecting its physiology. naturale.