– Eugenol acetate (Aceteugenol) is a constituent of Clove oil, an essential oil from the clove plant, Syzygium aromaticum. Clove oil is a natural analgaesic and antiseptic used primarily in dentistry for its main ingredient Eugenol. Clove oil can also be purchased in pharmacies over the counter, as a home remedy for dental pain relief, mainly toothache; it is also often found in the aromatherapy section of health food stores.