Hydrating Intensive Serum50ml This iconic Sothys serum combines 4 sources of hyaluronic acid Hydra HA4 with 2 Sothys patented active ingredients in its new generation formula for a global hydrating action. Designed to work like a skin architect, this intensive serum aims to lastingly boost hydration mechanisms. Its water light texture, rich in liposomes, instantly melts into the skin. The long term action of this new intensive hydrating serum associated with the immediate