Travoprost 0.004% Or 40 µg/Ml and Timolol Maleate 0.68% (Equivalent To Timolol 0.5% Or 5 Mg/Ml), Polyquaternium-1 (POLYQUAD®), Castor Oil – Ethoxylated Hydrogenated, Propylene Glycol, Boric Acid Mannitol, Sodium Chloride, Sodium Hydroxide and/Or Hydrochloric Acid (For Ph Adjustment), Purified Water.