Scentsy Candles is a simple system. Unique Scentsy warmers use a low-watt bulb to melt specially formulated wax slowly , maximizing its fragrance time. With no flame , soot or wick , the Scentsy wickless candle system is a safe way to enjoy the fragrant aroma of more than 80 Scentsy fragrances. The Scentsy system is also made with cooking grade wax , so there are no risks of being burned or fire in the home.