Medik8 Hydr8 B5 Intense Serum intensely rehydrates and plumps skin. This supercharged hyaluronic acid serum, fortified with NMFs and superfood antioxidants, visibly smooths and replenishes moisture levels within 24 hours. Its multi-weight hyaluronic acid and vitamin B5 formula delivers profound rehydration, leaving skin intensely moisturized and fine lines visibly plumped and smoothed.