The other is to purchase a humidifier inside your own home.
Mineral oil coats the skin and prevents its "breathability". No wonder there are amazing home remedies using fenugreek seeds as Siddha system of relief medication. http://Romabankcommunityfoundation.com/__media__/js/netsoltrademark.php?d=Opticaljournal.com%2Fdry-eye-relief-hormone-balance%2F