Thealoz Duo Gel is a fluid, sterile, and neutral pH gel. It is indicated for symptomatic relief of dry eyes and for the treatment of moderate to severe dry eyes. It can be used when feeling discomfort, a stinging sensation, or eye irritation. Its components allow it to stay longer in the eye. It has protective, moisturizing, and antioxidant action, reducing the healing time of the cornea. Preservative-free.