Surf, scroll, and soothe your dry, irritated eyes with Refresh Digital. Refresh Digital PF acts fast to relieve dryness, burning, irritation, and discomfort in the eyes that may be due to prolonged digital device use. Expertly formulated with HydroCell — our proprietary NaCl-free, glycerin-based technology. This preservative-free formula delivers soothing hydration by supporting all three tear film layers, and helps prevent natural tears from evaporating due to lipid layer deficiencies. Trust your eyes to Refresh . The #1 selling brand in preservative-free artificial tears.