NEW HYDRATING RANGE 4X MOISTURIZING POWER The intensive hydrating serum essential for every single skin type! This Sothys iconic serum combines4 sources of hyaluronic acid 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 action of the hydrating youth creams offers the skin a high-performance hydrating response.