Uriage Eau Thermale Water Serum targets all the layers of the skin with its active ingredients to restore the natural moisturization mechanisms. This formula is enriched with powerful moisturizing agents to revive the thirstiest skin and deliver comfort, softness and radiance. This Water Serum is enriched with Uriage Thermal Water which helps to rebuild the skin barrier to maintain an optimum moisturization level. It helps to recreate a film on the surface and gradually releases the moisturizing agents contained in the Water Serum. The water serum works by acting on the rebuilding of the corneocyte cement to boost moisturization with lasting effects.