Other Information: Use only if single-use container is intact. Use before expiration date marked on container. Store at 59 degrees - 86 degrees F (15 degrees - 30 degrees C). Retain this carton for future reference. Single-use containers. Preservative-free. Clinically proven to lubricate, hydrates, and protect, natural tears from evaporating. Make your dry eyes feel better with the drops doctors recommended. Discover Fresh Optive Advanced, the go-to drop that works on all three layers of your tear film. This clinically proven triple-action formula: 1. Lubricates for moisturizing Dry Eye Relief. 2. Hydrates the eye surface cells. 3 Protects your natural tears with a lipid-enhanced drop by reducing tear evaporation. Now, you can have long lasting comfort in a visibly light tear. Safe to use as often as needed. No shaking required. refreshbrand.com. Questions or comments? 1-800-678-1605; refershbrand.com. Made in the USA.