Quench the skin with ESPA’s Isotonic Hydration Mask, a 10-minute treatment filled with moisture-charged actives to intensely hydrate and nourish the visage.A cooling isotonic cocktail featuring electrolytes and minerals works to revive lacklustre-looking complexions with a surge of refreshing moisture, alongside plant-powered ingredients such as spirulina and vegetable taurine. The formula is supported by hyaluronic acid to encourage soft and supple results and is infused with an aromatic blend of essential oils, including cedar wood, geranium and mandarin.