The bestselling moisturising serum from Medik8, hydr8 b5 is a silky-smooth formula that immediately sinks into your skin, delivering a deep dose of hydration and long-lasting moisture. Infused with multi-weight hyaluronic acid to draw in up to 1000 times its own weight in water, this ultra-nourishing serum deliver a burst of skin-quenching moisture that's retained, thanks to the addition of vitamin b5. Skin cells are regenerated, and wrinkles are plumped promoting a supple, restored and nourished complexion