Systane Hydration UD is a preservative-free lubricant eye drop that comes in 30 single-use vials. It contains hyaluronate for long-lasting relief from dry eyes and provides advanced hydration for optimal eye comfort. The sterile formula is designed for daily use and is suitable for contact lens wearers. Each single-use vial contains a sterile solution that should be discarded after one use. The preservative-free formula makes it ideal for people with sensitive eyes or those who use eye drops frequently. Store at room temperature and keep away from direct light. If eye irritation persists or vision changes occur, discontinue use and consult an eye care professional. Do not use if the solution appears cloudy or discolored. Keep out of reach of children.