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 action of the hydrating youth creams offers the skin a high-performance hydrating response.