Glasshouse Fragrances CandlesGlasshouse Fragrances is a global company with roots in Australia. They use the highest quality soy blend wax and all natural lead free cotton wicks to encourage a burn that is pure and intensely fragrant. No Parabens. No Silicones. No PEGs. Instructions: Trim wicks to 7mm before each use using scissors or a wick trimmer. If wicks are too short the wax may not burn all the way to the edge (tunneling), and if too long the wicks may appear to mushroom