Ask Dr. Hill Winter 2016

Dr. David K. Hill, D.C. - Founding Executive, Chief Medical Officer / Chairman, Scientific Advisory Committee


Does temperature affect my oils?


Once opened, excessive or increasing heat is known to intensify the reaction rate leading to oxidation and polymerization of essential oils. Oxidation alters the chemical make-up of essential oils, converting the chemical constituents into different substances, changing the aroma, diminishing the beneficial properties, and possibly even increasing the risk for sensitivities. Essential oils are all chemically unique, so the oxidation process begins at different temperatures, occurs at varying rates, and affects each oil distinctly, but never are the effects positive. Cold temperatures, on the other hand, generally do not induce chemical changes in the oil, even at freezing temperatures. Properly storing essential oils can prolong their useful life. For best results, I recommend that all essential oils be kept away from direct sources of heat and under 80 degrees Fahrenheit. 


What information should I give to my doctor about my essential oil use?


Although essential oils have a long history of safe and effective use, it is still important to discuss use of them with your qualified health-care provider. This is especially important if you are being monitored for any health condition or taking any pharmaceutical medications. There is a wealth of knowledge available on that can help your health-care provider learn more about essential oils, but the most important thing is to maintain an open line of communication. 


What is the process of creating an essential oil blend? 


The process of bringing an essential oil blend from an idea to market is a long and complex one. The backbone of doTERRA essential oil blends is chemistry and the synergism of the chemical constituents that provide the wonderful benefits. Blends are first imagined based on meeting a precise chemical profile to address a specific concern. Since doTERRA only works with whole oils and does not isolate chemical constituents, that initial profile is met by selecting individual oils and then deciding on the overall composition. Then tests can be conducted to ensure that the chemical constituents and their proportions are not altered by the blending process. Once the desired chemical composition has been established, other considerations such as scent can be addressed through further revision. Only after several stages of testing and revision, making sure that it meets CTPG standards, does a blend idea became a doTERRA essential oil.


Will my body adjust to regular use of essential oils?


Regular use of natural essential oils will not result in decreased effectiveness as long as you continue to use them. Resistance is largely tied to a chemical process known as “receptor recycling,” in which the cell receptors correspond with ligands (chemicals that enable interaction with the cell) that are either destroyed or reprocessed after having completed their journey away from the cell. We have no evidence that essential oil use results in the death of their cellular receptors and therefore that repeated use will result in progressively diminished benefits. 


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