Systane Ultra UD is a preservative-free lubricating eye drop solution that comes in 30 single-use vials of 0.7ml each. It provides high-performance relief from dry eye symptoms and is specially formulated for sensitive eyes, offering optimal hydration and comfort. The product contains Polyethylene Glycol 400 0.4% and Propylene Glycol 0.3% as active ingredients. Each vial is sterile and preservative-free, making it ideal for people with sensitive eyes or those who wear contact lenses. The single-use format ensures sterility with each application. After opening a vial, it should be used immediately and discarded. Store at room temperature and keep out of reach of children. If irritation persists or vision changes occur, discontinue use and consult an eye care professional.