The steam and vapor then pass through cooling tubes and condense into essential oil and its by product, floral water. Orange, lemon and grapefruit oils are cold pressed from the peel of the fruit. Some delicate floral oils such as jasmine, iris or tuberose can only be obtained through a solvent extraction. These oils are called absolutes and are actually not pure essential oils. Rose oil can be found both as an absolute and as a steam distilled essential oil.
Aromatherapy is a science.
Each oil carries a unique chemical signature which is composed of hundreds of constituents. The science applies to understanding these unique chemical and therapeutic properties and then using that knowledge to restore health and balance to our lives. By choosing specific oils in single notes or in synergistic combinations, we can produce certain beneficial effects either physically or emotionally, through evoking different moods. Essential oils share common medicinal qualities. As an antibacterial and antiseptic, essential oils inhibit the growth of bacteria.