CAUDALIE Thirst-quenching SOS serum Rehydrate deeply Organic grape water, hyaluronic acid and antioxidant polyphenols Without oil Dehydrated skin 30ml The SOS solution . to be used all year round with the usual treatment, so that the skin is always rich in water . This serum captures and diffuses water continuously and deeply, to re-establish the water balance of the skin which thus regains elasticity and freshness. Ultra-concentrated natural (97%), the SOS dissenting serum regulates water flows and infuses deeply hydrating and soothingsubstances . In an instant the skin is quenched , plumped and toned .