Its exclusive Uriage Thermal Water formula is enriched with minerals, Calcium and Magnesium , to strengthen the hydration barrier. Boosted with High Molecular Weight Hyaluronic Acid, Silk Tree Extract and Prebiotic, the Glow up Water Essence intensely moisturises and reveals skin\'s natural radiance. Its unique water texture instantly fuses with the skin without leaving an oily film, for an invigoratingly fresh sensation! Action 1: Moisturises & Reinforces the cutaneous barrier - URIAGE THERMAL WATER, natural, whose properties are extracted and enriched with calcium and magnesium , for a reinforced action on the cutaneous barrier and hydration. - And the PREBIOTIC which has a determining role in balancing the cutaneous barrier. Action 2: Brightens & Plumps - Silk tree extract detoxifies the cells to smooth the complexion and boost radiance. - HYALURONIC ACID HPM for its instant moisturizing effect. The skin\'s radiance, smoothness and softness are restored. Results: 2 x more hydrating than a serum after 24H* * Compare to the product Uriage Thermal Water Serum - instrumental measurement after 24h.