This water-based serum-gel is remarkably gliding. It instantaneously rehydrates the thirstiest of skins while bringing evening indispensable tensing effect to skins struggling against aging. With its high content in PHA, this hydration activating concentrate acts during the entire night to encourage renewed synthesis of hyaluronic acid. Thus restructures, the foundations of the skin will gradually release water toward the surface. With each application, the skin recovers an optimal rate of hydration and gains in density.