1. Essential oil refers to a kind of liquid with fragrance extracted or distilled from flowers, leaves, wood and other plant sources and other animals and plants.
2. Essential oils are not oils like linseed oil or petroleum. In a sense, essential oils are not real oils.
3. Oil of cloves, oil of lavender, spike oil and rosemary oil (see ROSEMARY) are sometimes used for oily coatings, polishes and cleaners (see CEDAR, OIL OF).
The basic details of essential oil in this article have been explained, and I hope it will be helpful to everyone.