Thealoz Duo is a preservative-free eye drop formulated to protect, hydrate, and soothe dry or irritated eyes. It combines trehalose and hyaluronic acid to combat oxidative stress, reduce inflammation, and provide long-lasting moisture. Ideal for those suffering from dry eye syndrome, screen fatigue, or environmental irritants, Thealoz Duo supports corneal health and enhances eye comfort. https://britishchemist.co.uk/product/thealoz-duo/