Delivering clinically proven skin hydration, this two-step Medik8 H.E.O. Mask hydrates your skin as you sleep, delivering lasting hydration for up to 72 hours post use* helping to improve your skin barrier function whilst combating the appearance of dryness, dullness, fine lines, and wrinkles. Smoothing lines while you sleep, this rejuvenating mask visibly improves the appearance of fine lines and wrinkles, reducing flaking and dryness to keep your skin supple, healthy, and youthful.  Clinically proven to enhance your skin moisture barrier, this mask prevents transepidermal water loss, keeping your skin nourished, hydrated, and radiant. The formulas are built on the three principle moisturisation properties to give your skin a much-needed boost: humectants, emollients, and occlusives. Humectants increase the water content of your skin, and emollients prevent the rise of water to the upper skin surface, whilst occlusives minimise evaporation. With powerhouse hydration heroes including