Other Information: Store at 59-77 degrees F (15-25 degrees C). Keep tightly closed. Use before expiration date marked on the carton and bottle. Misc: Fast relief from age-related dry eyes. Replenishes tears. Refreshes eyes. 100% satisfaction guaranteed. Effectively moisturizes dry eyes. Soothes, refreshes and comforts irritated eyes. Safe and gentle enough to use as often as needed.