Boldo Leaf Oil lists its properties as an anti-inflammatory, anti-rheumatic, antiseptic, Cholagogue, digestive, diuretic, hepatic, insecticide, narcotic, stimulant, and vermifuge substance. Peumus Boldus is the botanical name of the herb. You get the oil through steam distillation of its leaves native to South America and is commonly found in Chile, Peru and Bolivia.
Ingredients include alpha pinene, ascaridole, beta pinene, camphene, gamma terpinene, cineole, limonene, linalool, para cymene and other monoterpenoids, from which the component ascaridole is considered responsible for its toxic behavior.
However, you should be cautious about boldo leaf oil. It is not a home remedy and should not be tried to use in certain symptoms. It is highly toxic and a slight overdose can have serious consequences.