Instill one drop into the conjunctival sac between 3-5 times each day. Depending on how dry the eye is, you can use Liposic more frequently and before bed if needed.Remove contact lenses before administartion but can be inserted again 30 minutes after using Liposic.Discard 28 days after first opening.Each 1g of Liposic opthalmic gel contains 2.0mg carbomer, 0.1mg cetrimide as a preservative.