Burning? Irritation? Discomfort? Your eyes deserve Xtra?an advanced formula for dry eye symptom relief that lasts. Enriched with the antioxidant Trehalose (inactive ingredient) and innovated with moisture-locking technology, Refresh Relieva PF Xtra works fast to soothe, comfort, and protect. These preservative-free artificial tears are safe to use as often as needed, with a soft squeeze multidose bottle featuring a double lockout system that keeps drops sterile and delivers a consistent drop every time. First-time use instructions: 1. Remove safety seal and clear plastic cover. You won?t need these anymore so throw them out. 2. Remove blue pull tab. 3. Remove blue cap. You will need this so hang on to it. 4. Slowly squeeze out 2 drops to prime the bottle. 5. Use drops as needed. Don?t let the bottle tip touch your eye or any other surfaces. 6. Replace blue cap by pushing it straight down. Refresh Relieva PF Xtra is FSA and HSA eligible. Depending on your plan, you may be able to use your pre-tax dollars to cover this product as an out-of-pocket expense. Trust your dry eyes to Refresh?the #1 preservative-free brand with more than 35 years of experience