Other Information: Store at 59 degrees -77 degrees F (15 degrees -25 degrees C). Keep tightly closed. Used before expiration date marked on the carton and bottle. Misc: Fast relief from age-related dry eyes. Replenishes tears. Refreshes eyes. Effectively moisturizes dry eyes. Soothes, refreshes and comforts irritated eyes. Safe and gentle enough to use as often as needed. 100% satisfaction guaranteed. See inside of carton for details. Questions or comments? Toll free product information or to report a serious side effect associated with use of this product call: 1-800-553-5340.