Quote Originally Posted by FiReSTaRT View Post
Mineral oil bought in pharmacies (usually where they keep low-profit but necessary items like alcohol, glycerin, peroxide and iodine) for about $2-3 for a bottle that should be good enough for a lifetime of use. It's to be used as a laxative. You can also use it for your hinges, locks, cables, clipper blades etc etc etc.
I use paraffine oil for example. Pretty cheap.