TEARS NATURALE® FREE Alcon Dextran 70--Hydroxypropyl Methylcellulose Artificial Tears   Availability & Storage: Each mL of sterile, isotonic solution contains: 0.1% dextran 70 and hydroxypropyl methylcellulose 0.3%. Preservative-free. Nonmedicinal ingredients: hydrochloric acid, potassium chloride, purified water, sodium borate, sodium chloride and sodium hydroxide. Unit dose containers of 0.6 mL. Boxes of 24.