High molecular weight polymers of acrylic acid cross-linked with polyalkenyl ethers of sugars or polyalcohols. Topically 0.2 or 0.3%, are used topically as tear substitutes in the management of dry eye.

Hypersensitivity to cetrimide

Temperory blurrd vision after application

Topically use 4-5 times daily

After open the original bottle, it can be stroed at 25℃ for one month.