A wickless candle is a container candle without a wick. It has no flame and is warmed using a fragrance warmer. Think of it as a large wax melt inside a glass jar. Once the wickless candle is placed on the fragrance warmer, the soy wax inside the jar will melt and slowly release the fragrance into the air. Because there is no flame, there is no smoke or soot in the air to cause any harm to you or your loved ones. When the fragrance warmer is turned off, the soy wax will solidfy again. The wickless candle jar can be re-warmed until the fragrance goes away.