What Are Essential Oils?
If you have ever enjoyed the scent of a rose, you’ve experienced the aromatic qualities of essential oils. These naturally occurring, volatile aromatic compounds are found in the seeds, bark, stems, roots, flowers, and other parts of plants. They can be both beautifully and powerfully fragrant. Essential oils give plants their distinctive smells, essential oils protect plants and play a role in plant pollination. In addition to their intrinsic benefits to plants and their beautiful fragrance, essential oils have long been used for food preparation, beauty treatment, and health-care practices.
But what exactly is a volatile aromatic compound? In short, these compounds are small organic molecules that tend to change quickly from their solid or liquid state to a gas at room temperature. They are called volatile because they change state quickly. When you first open a bottle of essential oil, you instantly notice that the aroma is potent and you can smell it typically even from some distance. The physical and chemical properties of the volatile aromatic compounds that compose essential oils allow them to quickly move through the air and directly interact with the olfactory sensors in the nose. Such unique properties make essential oils ideal for applications inclusion in aromatherapy – using these compounds from plants to help maintain a healthy mind and body – as well as other applications. The type of volatile aromatic compounds present in an essential oil determines both the oil’s aroma and the benefits it offers.
Over 3,000 varieties of volatile aromatic compounds have been identified to date. The nature of an essential oil varies from plant to plant, within botanical families, and from species to species. The delicate ratio of aromatic constituents found in any given essential oil are what make it unique and give it specific benefits.
Even with pure essential oils the composition of the oil can vary depending on the time of day, season, geographic location, method and duration of distillation, year grown, and the weather, making every step of the production process a critical determinant of the overall quality of the essential oil product.
Essential oils can be used for a wide range of emotional and physical wellness applications. They can be used as single essential oils or in complex essential oil blends depending on user experience and desired benefit.
How to use Essential Oils
The sense of smell is a tool that can elicit powerful physiologic, mental, and emotional responses. Essential oils are quickly absorbed by the smell receptors, which have a direct link to the limbic system by way of the olfactory nerve. The limbic system is part of the brain that supports a variety of functions including smell, emotions, behavior, and memory. For this reason, essential oils have an especially powerful effect via aromatic application.
Some essential oils induce uplifting or invigorating effects, while others are more calming. Diffusion is one of the simplest methods for using essential oils aromatically. Diffusers that use cold air or water are ideal. However, using essential oils aromatically does not require any special diffusing devices.
Topical application is a very effective method for applying essential oils. Because essential oils have low molecular weights and are lipid soluble, they easily penetrate the skin. Once absorbed, they stay in the applied area for a localized benefit.
Although essential oils are readily absorbed, there are many ways to increase absorption. Using a light massage will increase the blood flow to the area of application, in turn improving distribution throughout the body. Use of a carrier oil can also increase absorption, especially in skin that is dry or flaky as it helps moisturize the skin and slow evaporation of the oil.
When you choose doTERRA, you are choosing essential oils gently and carefully distilled from plants that have been patiently harvested at the perfect moment by experienced growers from around the world for ideal extract composition and efficacy.
Each doTERRA essential oil is also carefully and thoroughly tested using the strict CPTG Certified Pure Therapeutic Grade® quality protocol. Experienced essential oil users will immediately recognize the superior quality standard for naturally safe, purely effective therapeutic-grade doTERRA essential oils.
While there is a science to the distillation of essential oils, it is also an art. Distillers not only rely on years of experience, they also employ modern technologies and techniques.
The most common method of extracting essential oils is a low-heat steam distillation process. In this process, pressurized steam is circulated through plant material. The essential oils are liberated from the plant and carried away by the steam. When the steam cools, the water and oils naturally separate and the oil is collected. To ensure the highest quality oil extract with the correct chemical composition, the temperature and pressure must be closely monitored. Too little heat or pressure and the oil will not release; too much, and the oil’s composition and potency will be affected.
Steam distillation vs. expression
Unlike steam distillation, expression, sometimes referred to as “cold pressed,” does not involve heat. In this process, oil is extracted from the product under mechanical pressure. doTERRA uses expression to extract all of its citrus oils, such as Wild Orange, Lemon, Lime, Bergamot, and Grapefruit, from the rind.
Proper distillation requires a consideration for the uniqueness of pressure, temperature, time, and harvesting practices, each of which may be as diverse as the plants themselves. A poor distillation process can alter or destroy the necessary aromatic compounds that comprise the essential oil, leaving a substance far different from the intended goal and something that would not be used to support health and wellness. For this reason, the best distillation artisans dedicate their efforts and work to only a few select plants. This focused effort develops proper knowledge and experience, helping ensure congruency between the oil chemistry of the plant and its distilled form.
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