Soy candles produce very little soot when they burn (while paraffin candles produce copious amounts of petrocarbon soot, which causes indoor air pollution and can even stain walls and ceilings over time).
Expert Tip: Trimming your wick all also help reduce soot!
Finally, soy wax is a vegan candle wax, so soy candles are a great gift for your vegan friends!
Not convinced that soy candles are better?
See what the best candles are made of.