Systane (a trademark of Novartis) Balance Lubricating Eye Drops is a sterile solution containing Polyethylene Glycol, Hydroxypropyl Guar, Mineral oil, Dimyristoyl Phosphatidylglycerol, Polyoxyl 40 Stearate, Sorbitan Tristearate, Boric Acid, Sorbitol, Edetate Disodium, and Polyquad (a trademark of Novartis) (Polyquaternium-1) 0.001% Preservative.