Oregano essential oil, with a strong aroma similar to that of camphor, has a strong antimicrobial and antifungal action. It is used against rheumatic and muscular pains, respiratory problems and digestive disorders, such as indigestion and heartburn. It works as an anti-rust for clothes and bedding. Used in oral hygiene products. In combination with Tea Tree it is used as a highly effective mixture for the treatment of nail fungus.