Aromatica Back Flow Incense Cones from Ancient Wisdom Dropshipping are made from natural herbs, oils and resins. Once you have lit your incense cone it will begin to smoke, the incense is heavier than air and it will fall dramatically in swirls and twists, through the oil burner hole to counter -special flow and over the article, to accumulate at the bottom. Aromatika backflow incense cones are best for practitioners of meditation, yoga, aromatherapy. Aromatika Backflow Incense Cones are perfect for meditation, yoga and aromatherapy practitioners.