Xailin Wash is a sterile, single dose eye wash for eliminating foreign bodies that irritate the eye such as sand, midges, dust, pollen and fragments of make-up to ease the discomfort. It can also be used as treatment for infection, allergy or inflammatory pathology of eyelids, conjunctivitis and cornea, and for post-surgical eye cleansing in adults and children.nXailin Wash is a preservative free formula that also helps to hydrate the eye. Each unit dose vial can be used to treat both eyes.