OPTI-FREE® PureMoist® Solution features the proprietary HydraGlyde® Moisture Matrix which surrounds your lenses in a cushion of moisture, providing all-day comfort and creating a barrier that reduces deposits and debris. It also provides the same exclusive dual disinfectant system as OPTI-FREE® Replenish® with Polyquad® and Aldox® to destroy microorganisms that can cause eye infections