Thealoz Duo Gel is a sterile, preservative-free, hypotonicznym, smooth gel with a neutral pH, which is the same as the pH of the surface of the eye, and promotes long-term moisturizing eye surface. The main ingredients of the formulation are trehalose present in many organisms, plants and animals, sodium hyaluronate, present naturally in the eye, and carbomer (Carbopol 974P), which allows the formulation in prolonged Thealoz Duo Gel on the surface of the eye.