Scholars in English grammar would be livid at the phrase pure essential oils. For them essential oils are by nature pure and adding the expression pure to this is nothing but being verbose. Leave apart the criticism of the scholars, in practice one can regularly come along instances when the essential oils have been mixed with other oils or the customer has been duped with entirely synthetically manufactured oil. So, now you will appreciate the concern for people when they demand pure essential oils.
For the beginners, let us first elucidate about what essential oils are. An essential oil is extracted from different parts of the plant such as stem, leaves, flower, bark etc. You name a plant and an essential oil derived from it will be available. The list of essential oils is really impressive. Some of the most common essential oils include lavender, peppermint, eucalyptus, rose, jasmine, cedar wood and so on. These are derived from a complex process of distillation through water or steam. Certain essential oils like rose leave a fragrant water after the distillation process. This is available in the market as hydrosols. Other hydrosols include lavender water and orange...