Systane Hydration UD Lubricant Eye Drops is a sterile solution containing sodium hyaluronate, polyethylene glycol 400, propylene glycol, hydroxypropyl guar, sorbitol, aminomethyl propanol, boric acid, sodium borate, potassium chloride and sodium chloride. This is a formula that replenishes and rehydrates the eye surface for long-lasting relief. Available in convenient single-use vials for on-the-go dry eye symptom relief. The drop entrap water to promote greater hydration, lubrication and provide prolonged long lasting relief. It also allows restoration of the damaged cells in the ocular surface. Systane Hydration UD lubricant eye drops may be used as needed throughout the day to relieve the symptoms of dry eyes.