Clarins Hydra-Essentiel Bi Phase Serum 1 Oz.: Refreshing bi-phase serum for thirsty skin that feels tight lacks radiance and is prematurely lined. Shields skin from the dehydrating effects of daily thermic shocks that can leave it looking dry and weathered: sudden temperature changes indoor and outdoor pollutants and environmental stress. Quenches skin with Organic Leaf of Life extract—a succulent plant that enhances the skin’s ability to retain precious moisture—leaving it plump radiant and perfectly hydrated.