Optive Advanced UD, a preservative-free, go-to drop that works on the all three layers of your tear flim. This clinically proven triple-action formula:-
Product Directions: Instill 1 or 2 drops in the affected eye(s) as needed Product Ingredients: Carboxmethylcellulose Sodium 0.5%, Glycerine 1%, Polysorbate 80 0.5%