Clove essential oil is a stimulating and energising oil, commonly known for its ability to cleanse teeth and gums. Clove has been used for years in dental preparations for its flavor and ability to cleanse the mouth, yet it provides a myriad of benefits. Eugenol is the active ingredient in cloves that gives the oil its analgesic, anesthetic, antibacterial and anti-inflammatory properties. Clove essential oil can also be used as a warming massage oil. Health-grade oil.