hydraSense® Advanced for Dry Eyes comes in an innovative, sterile, multi-dose bottle with a filter system that allows the product to be preservative-free. It contains Provitamin B5 and sodium hyaluronate, a clinically proven, naturally-sourced lubricant that hydrates, lubricates and protects your eyes. Try hydraSense® Advanced for Dry Eyes - effective, long-lasting relief of dry eye symptoms while being gentle on your eyes.