Proven Hydration & Barrier Support H.E.O. Mask is clinically proven to deliver and lock in skin hydration for up to 72 hours.* Designed to retain intense hydration and nourishment between uses, while helping to improve the skin's all-round moisturisation function in the long term Overnight Smoothing Sensation Awaken to beautifully smoothed, plumped, supple-looking skin with H.E.O. Mask. 94% of H.E.O. Mask users agree that their skin is left glowing after using the mask* - perfect for moments when skin needs an overnight boost. Gold-Standard Moisturising Components The ultimate shopping list of proven moisturisation heroes here in one product: hyaluronic acid, squalane, ceramides, Natural Moisturising Factors & more…