Aroma Wax Melts Geranium & Anise contain 60 wax hearts in each jar, one or two hearts melted in an oil burner will create a lovely aroma. These Wax Melts are made with pure aromatherapy essential oils with a blend of Soy waxes and contain no Paraffin Wax so they make rooms smell of fragrance and not oil. You could pair it up with oil burners as a gift set. they will make a perfect gift for all occasions. Order today these luscious wax melts. - Wax melts work by using a heat source to release scent into the air. Much like candles, wax melts, cubes, and tarts are used to produce room-filling aroma in minutes. Wax melts use a combination of essential oils, fragrance oils, and wax to release scent upon being warmed. Just like candles, wax melts can come in a variety of shapes, scents, and colours.