Sterile. Moisture drops for dry eyes. Makes your dry eyes feel better with the drops doctors recommend. Refresh Tears lubricant eye drops instantly moisturizes and relieves dry, irritated eyes with a fast-acting, long-lasting formula that has many of the same healthy qualities as your own natural tears. Refresh Tears comes in a convenient multi-dose bottle and is safe to use as often as needed, so your eyes can feel good - anytime, anywhere. Refresh Tears uses the safe and gentle preservative Purite. Made in the USA.