Go GREEN with All Natural Soy Candles. | Soy candle wax is non-toxic and burns cleaner than paraffin with no petrol-carbon soot that adds toxic carcinogens in the air we breathe. In addition to being better for our world, they are longer burning and more efficient than paraffin. Soybeans are a renewable resource and biodegradable. Help the U.S. farmers, the economy and the environment - Use Soy.