By David Fisher
Most of the commercially available candles you buy in stores today are made with paraffin. It is not universally embraced these days, however. Paraffin wax is a by-product of the crude oil refinement process, and natural or green minded folks often label it as bad just because it is related to petroleum. However, just because it is related to petroleum doesn't automatically make it toxic. And in a way, by using the by-products of the oil refining process, you're actually using parts of the oil that would otherwise be discarded.