Systane Ultra UD is a preservative-free lubricant eye drop solution that comes in 30 convenient single-use vials of 0.7mL each. It provides fast symptom relief and extended protection for dry eyes, with a high-performance formula designed for optimal comfort. The product contains Polyethylene Glycol 400 0.4% and Propylene Glycol 0.3% as active ingredients. Each sterile single-use vial is preservative-free, making it ideal for sensitive eyes and contact lens wearers. The unit dose format ensures sterility and proper dosing while eliminating the need for preservatives. For best results, use 1-2 drops in affected eye(s) as needed. Discard each vial after single use. Store at room temperature and keep away from direct light.