Long-lasting hydration and skin rejuvenation cream | Deepen your skincare routine and maintain hydration longer. The hydrating and firming cream REN Everhydrate Marine Moisture-Replenish Cream contains a complex of vitamins, minerals and antioxidants activated by algae, which have been shown to provide una Up to 48-hour protection against dehydration. Helps repair the skin's barrier, leaving it protected and hydrated for up to 2 days.