Liquid Rehydration Serum Infuse your skin with intense hydration and long-lasting moisture with Hydr8 B5, Medik8’s best-selling moisturising serum. KEY BENEFITS A deeply hydrating, crystal-clear serum that sinks in quickly to flood the skin with moisture. RESULTS Softens fine lines and wrinkles to leave skin supple, restored and nourished. KEY INGREDIENTS Hyaluronic acid, Multiweight Hyaluronic acid, Vitamin B5