Nat, I will back you on this. Young Living and DoTerra distributors are confidently spreading lots of false information on essential oils. I would trust Crunchy Betty’s information above over anything YL and DoTerra sellers say. A good friend of mine became entranced by YL a couple of years ago and is convinced that YL is the only company that sells “therapeutic” grade essential oils. As Nat says, do your research, read the best books you can find and caveat emptor.
Essential oils rich in aldehydes (e.g., citronellal, citral) and phenols (e.g., cinnamic aldehyde, eugenol) may cause skin reactions. Essential oils rich in these constituents should always be diluted prior to application to the skin. According to Schnaubelt, “diluting such oils so that the resulting solution becomes non-irritant, may require diluting them to concentrations much lower than in normal circumstances. Another option is to blend such irritant oils asymmetrically with other essential oils, which mitigate their irritant effects.”3

Essential oils on the market were analyzed using GC-MS and the main ingredients of each essential oil were quantified. Analysis of the essential oil of Lavandula officinalis (lavender oil) showed that each sample had a different ratio of the contents of main ingredients, such as linalool, linalyl acetate, and camphor. In addition, some commercial lavender oils were analyzed by GC-MS for comparison with the Lavandula flagrans (lavandin oil) and the reference standard. As a result of this analysis, although the components of almost all commercial lavender oils were approximately the same as those of the reference standard, there were a few products that contained more than 0.5% of the amount of camphor in lavandin oil. This suggests that some lavender oil samples are mixed with lavandin oil to lower the price. Commercial essential oils of Melaleuca alternifolia (teatree oil) and Mentha piperita (peppermint oil) were also analyzed by GC-MS. Each of the peppermint oil samples had a different ratio in the content of its main ingredient. With respect to teatree oils, the amount of terpinens in each sample differed. These results led to concern about the efficacy of essential oils. For achieve the expected efficacy of essential oils, correct information on their ingredients should be available and quality control using instrumental analysis should be introduced.

First, we need to accept and understand that individual molecules are not alive but merely three-dimensional arrangements of atoms to form unique structures in space, held together by shared electron densities that we call “bonds.” As such, an individual molecule has no "knowledge" of the pathway by which it was created and how it behaves in any system is a function of its three-dimensional structure, not of it’s origin. A molecule of say L-menthol (the main component of peppermint essential oil) will behave EXACTLY the same in any environment whether that molecule of L-menthol was made by the peppermint plant or the BASF Chemical plant. When 10 carbon atoms and 15 hydrogen atoms come together in the arrangement shown in the picture below we have L-menthol, regardless of who or what orchestrated the atoms coming together in this arrangement. L-menthol is L-menthol because of its structure. The structure is what defines the molecule, not its source.
The potential danger of an essential oil is sometimes relative to its level or grade of purity, and sometimes related to the toxicity of specific chemical components of the oil. Many essential oils are designed exclusively for their aroma-therapeutic quality; these essential oils generally should not be applied directly to the skin in their undiluted or "neat" form. Some can cause severe irritation, provoke an allergic reaction and, over time, prove hepatotoxic.
There are at least 30 + single plant essential oils that can be applied neat ( straight or undiluted) a far cry from a few. Most of the rest only need approx 1 to 1 dilution. Again the same goes for undiluted oils for babies and children. Now naturally their skin is more sensitive so you need to be more watchful and careful and possibly only place these oils on a babies feet and use a 1/4 to 1/2 drop of the oil instead of the full dose.
Whenever the FDA signals that it is ready to grant marketing approval for a new vaccine or drug, the first step for the pharmaceutical company’s marketing department is to promote an “educational” advertising campaign designed to instill fear in parents (and their pediatricians) about the horrible illnesses (albeit previously unknown, benign or rare) that even us doctors hadn’t yet recognized as being significant up until recently, most of us physicians have gone along with the fear-mongering that makes our practices busier while it also makes billions of dollars in profits for some unworthy CEO or Wall Street investment banker, hedge fund manager or mutual fund investor – all at the expense of America’s precious and vulnerable children who are at high risk of being sickened along the way.
These pure oils are "neat", meaning they have not been processed, diluted or manipulated in any way with solvents or other additives. Although a particular species of plant harvested and distilled for its essential oil during a particular growing season in a specific region may produce a fragrance that differs from the same species grown in a different region, many of the main chemical markers and physical specifications may be very similar.
Another important factor to know about the oil is the geographical location each plant was grown. Plants grow naturally and thrive in climates and conditions suitable for their health. Plants farmed in locations outside of their natural habitats will be less effective when distilled. The climate, the soil, the time of year (and sometimes even the time of day) have great effects on the quality of the essential oils and good companies know this.
As for being the "heartbeat of the plant kingdom," Most plants don't even produce essential oils so where is their heartbeat? I am not really sure what that statement is supposed to mean, I guess somebody just thought it sounded marketable and ran with it. Concerning the "life blood" claim, as I have said here before, essential oils do not have the same function in the plant that blood does in the human body. Our blood primarily performs the function of circulation and transport of oxygen and nutrients to the all the cells and organs of the body. Essential oils do not play this role in the plant.

This is a must-have dietary or culinary oil, Febuary said. They both recommend starting your day with lemon water, using a drop of lemon oil and a tiny pinch of salt. Add a drop to savory foods like fish or chicken recipes that call for lemon juice, and use it to create vinaigrettes and marinades to add a bright flavor to summer salads and grilling.
Plants store essential oils either in external secretory structures, which are found on the surface of the plant, or internal secretory structures, which are found inside the plant material. Usually with plants that have external secretory structures, you just have to lightly touch them and you will notice an aroma imparted to your skin. With plants that have internal secretory structures, you may need to break the leaf or seed in order to get to the aroma/essential oil.

MEVEI was founded out of our pure passion for premium and luxury essential oils. The benefits of essential oils extend far beyond aromatherapy. Instead of focusing only on the therapeutic value of the oils and competing purely on price, we differentiate on providing an exceptional experience to your daily beauty routine. The ancient civilizations had long ago perfected the art and science of extracting and harnessing the natural benefits of the worlds most treasured botanical ingredients and our mission is to demystify those golden secrets; and to craft extraordinary products of sophistication as an unforgettable addition to your lifestyle. Our all-natural products aim to inspire and deliver a touch of glamour to make your every day special.
Of course aromatic materials were used in Biblical times for various medicinal, religious and ceremonial purposes but these materials would not have been essential oils, at least not by todays definition of being steam distilled products. This would have been impossible given that steam distillation had not yet even been discovered! Most people attribute the discovery of true steam distillation to a Persian scientist named Avicenna (Ibn Sina) in the 11th century. There was certainly no steam distillation over 2300 years earlier in King Tut’s time. Aromatic products used during these ancient times would have been of a crude solvent extracted nature using fats and pressed oils and the like and would not have been very concentrated (not to mention that extracted products yield very different chemistry than distilled products) and therefore their use cannot really be related to how we should use the steam distilled essential oils of today.
This is an easy place to start. The pricing of oils depends on the yield of oil from the plant.  Some flowers like rose or neroli (orange blossoms) take loads more plant matter to make one drop of pure essential oils.  For example, it takes 60 roses to make one drop of rose essential oil.  For this reason, it would make sense that a more abundant oil like Lavender might be priced between $20 and $30 and a Rose Otto be closer to $80 for the same volume. Be wary of oil brands that are a single price across the board.
Couldn't of arrived at a better time. I fell ill with the flu the day after I received them, researched appropriate oils that help with boosting immune system an help sickness etc. Used certain ones in the diffuser and my bath and even with a carrier oil (coconut oil) on my skin and my symptoms lessened. I noticed this because the one day I didn't use the oils or diffuser my symptoms became horrendous as the day went on and I was bedridden. Again the following day I went back to using oils and the flu symptoms eased and cleared within two days. Absolute god send. Love them especially frankincense that's my fave. Thank you.
In Gas Chromatography, an essential oil is vaporized and passed through a long column to separate the oil into its individual components. Each component will travel through the column at a different speed, depending on its molecular weight and chemical properties, and is measured as it exits the column. Using this testing method, quality control analysts can determine which compounds are present in a test sample.
Yes, of course ! Let's make something clear though - "Therapeutic Grade" and "Certified Pure Therapeutic Grade" (CPTG) are creative marketing terms employed by some companies to create a certain perception in the minds of unsuspecting consumers. There is no independent autonomous organization that either defines 'Therapeutic Grade' or certifies an essential oil as ‘Therapeutic Grade’. We could very easily label our products as "Certified Ultra Therapeutic Grade", but that again begs the question as to what is the definition of 'Ultra' versus 'Regular' and who actually 'Certified' it ? We do not believe in employing creative marketing terms to attract customers and rather let our quality and integrity speak for itself. 
The TV commercials, medical journal articles and drug representatives will be trying to educate us about a new, unaffordable vaccine that will somehow be squeezed into an already crowded and potentially deadly group of shots that America’s already at-risk-of-vaccine-injuries infants will now be receiving at their next well-child (perhaps soon to become chronically ill).check-up.
Essential oils can be altered to achieve standardization (for example, a certain chemical that was found to be at a lower concentration in the whole oil in a particular year can be added to make it the same percentage as last year's batch). The problem with standardized essential oils is that they are no longer natural, genuine, and authentic. This variability in essential oils by time, place and conditions is a big challenge to conducting valid research. Currently the International Standards Organization sets standards for each essential oil that include a range of acceptable concentrations for its major chemical constituents.
Many essential oils affect the skin and mucous membranes in ways that are valuable or harmful. Many essential oils, particularly tea tree oil, may cause contact dermatitis.[19][20][21][22] They are used in antiseptics and liniments in particular. Typically, they produce rubefacient irritation at first and then counterirritant numbness. Turpentine oil and camphor are two typical examples of oils that cause such effects. Menthol and some others produce a feeling of cold followed by a sense of burning. This is caused by its effect on heat-sensing nerve endings. Some essential oils, such as clove oil or eugenol, were popular for many hundred years in dentistry as antiseptics and local anesthetics.
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