Relief as natural as blinking. Active Ingredients: Polyethylene Glycol 400 0.25% Inactive Ingredients: Boric Acid; Calcium Chloride; Magnesium Chloride; Potassium Chloride; Purified Water; Sodium Borate; Sodium Chloride; Sodium Chorite (OcuPure Brand) as a Preservative; Sodium Hyaluronate Uses: For the temporary relief of burning, irritation, and discomfort due to dryness of the eye or exposure to wind or sun. May be used as a protectant against further irritation. Advanced formula adapts to your dry eye needs for immediate comfort and longer-lasting relief. Replenishes your tear film each time you blink. Clinically shown to improve tear film stability. Gentle OcuPure preservative disappears in your eye.