Systane Pro Preservative Free Lubricating Eye Drops is a triple action formula that hydrates, restores and protects dry eyes for long-lasting dry eye relief. Systane Pro Preservative Free contains the active ingredient propylene glycol to lubricate and soothe dry eyes, and is supported by hyaluronate, which is naturally occurring in tears, to provide long lasting hydration. This unique formula enhanced with lipid nanodroplets helps lock in moisture and reduce tear evaporation. Systane Pro Preservative Free comes in a convenient 10ml multi-dose bottle, perfect for on-the-go use to keep your eyes comfortable and moisturized wherever your day takes you. ^ * Not a rewetting drop