The AHAVA Hyaluronic Acid Leave-On Mask is a nurturing treatment to hydrate the skin. An expertly formulated face mask, the key ingredient hyaluronic acid features to enhance moisturisation, helping to soothe and calm dry areas. Featuring AHAVA’s signature Osmoterâ„¢, deeply nourishing dead sea minerals help to support the skin’s natural production of hyaluronic acid to unlock hydration.