The best scented candle and melts come from using quality ingredients. Following proven measurements, temperature and tested over time. A good quality candle will have cold scent throw and good hot scent throw. A cold scent throw is the amount of scent produced when the candle is unlit, a hot scent throw is the amount of scent the candle produces when lit. There is a fine line between the two. It takes science and practice to get the amount of fragrance right so you get g