When burning your candle you may notice some smoke coming from the flame. This is normal. Anything that burns will produce soot - but soy candles will produce extremely less than other wax types. If you see excessive black smoke, or soot, it may be because of your wick. When your wick is not kept trimmed to ¼” after each burn, or if your candle is in a drafty place, it can cause small puffs of smoke to escape from the wick causing soot. Make sure to trim your wick and keep away from drafts to decrese the amount of visible soot you see.