Refrigerator - Squeaking Door Hinge

The quickest and cleanest way to eliminate the squeaking of a refrigerator door is to lubricate the top and bottom hinges with the below recommended oils, then work the door back and forth until the noise goes away.

Paraffin wax (not candle wax) - can also be used on the door gaskets.
Petroleum jelly - recommended for hinges.
Mineral oil - general use anywhere, can be washed off.