This wick is similar to the LX wick however it is round with a cotton core instead of flat. It is designed to curl while burning which produces a hotter burn with less smoke and carbon build-up and is virtually self trimming! For Use In: All waxes and candle gel. Works great in all types of candles - tealights, votives, containers and pillars RRD is also a very versatile choice for wicks and works well in all waxes including candle gel and palm and is suitable for all candle types too.