Dripless candles make use of wax that has a higher melting point than regular paraffin wax to eliminate the drips. The reason why paraffin candles drip is that the heat from the flame causes the edges of the candle to melt. This causes the liquid wax to roll down the edges of the candle and to solidify. This leaves a considerable amount of unburnt wax at the bottom of the candle. This also happens with soy wax candles to a lesser extent. Beeswax candles, on the other hand, do not drip like that. Beeswax has a higher melting point than paraffin and soy wax.