Systane Hydration Lubricant Eye Drops - LONG-LASTING dry eye relief with dual-action hydration Because life is too busy to let dry eyes hold you back, keep Systane® HYDRATION PRESERVATIVE-FREE on standby. Feel unstoppable every day with this advanced hydration formula, a unique combination of HP-Guar & Hyaluronic acid proven to deliver LONG-LASTING relief. Systane® HYDRATION PRESERVATIVE-FREE is also recommended for LASIK or cataract patients seeking Dry Eye symptom relief.