Infuse your skin with long-lasting hydration with Hydr8 B5. Medik8's original hyaluronic acid serum floods multiple layers of the skin with multi-weight hyaluronic acid to leave it visibly plumped and supple, while effortlessly softening the look of fine lines. Proven to leave the skin feeling more hydrated in 7 days, this lightweight, oil-free serum absorbs quickly for fast visible results that won't leave the complexion feeling greasy.* Instead, it works to improve the skin's moisture retention and regeneration abilities for a cushion-soft, intensely hydrated and visibly replenished complexion.