Estrogenic and antiandrogenic activity have been reported by in vitro study of tea tree oil and lavender essential oils. Two published sets of case reports suggest the lavender oil may be implicated in some cases of gynecomastia, an abnormal breast tissue growth in prepubescent boys.[44][45] The European Commission's Scientific Committee on Consumer Safety dismissed the claims against tea tree oil as implausible, but did not comment on lavender oil.[46] In 2018, a BBC report on a study stated that tea tree and lavender oils contain eight substances that when tested in tissue culture experiments, increasing the level of estrogen and decreasing the level of testosterone. Some of the substances are found in "at least 65 other essential oils". The study did not include animal or human testing.[47]
Peppermint supports healthy gut function and normal digestion, she says, and can be used topically to soothe sore muscles. "It's important to note that peppermint is a 'hot' oil, which means it needs to be diluted before applying to your skin," said Dunaway. "Before applying it topically, peppermint oil should be diluted with a carrier oil like coconut oil."
Just to give anyone interested a typical example analysis, the picture below is of a certified organic lavender that I recently analyzed for a customer. As you can see the peak at 26.435 shows camphor present at 0.25%. Also, if you want peer reviewed literature references showing that camphor should indeed be in lavender, just login to my EO Chemical Reference database and you will see plenty of detailed reports, with journal citations, confirming exactly what I am talking about.

Amanda, I don’t know what your qualification is to make such a bold statement. MANY, MANY, MANY, MANY people use Young Living oils internally WITHOUT adverse side effects and WITHOUT burning their esophagus or hurting their gut flora, in fact it improves gut flora if you know what oils to use. Oils ingested are usually done so via a veggie capsule or can be mixed with water or Young Living’s NingXia Red. I myself ingest YLEOs on a daily basis and have been able to get off my proton-pump inhibitor (PPI) medication for gastroesophageal reflux disease (GERD), which was causing the nice side effect of osteopenia (pre osteoporosis). If you know what you’re doing and do the research, oils are extremely beneficial without nasty side effects. Yes, I am a YL distributor, but I became one after using the oils for a while myself and on my pets and seeing great improvement in our situation. Hope that clears up the ingestion issue for you.
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.
This was such a great education for me, honestly I didn’t know a thing about essential oils, and I am such an avid gardener!! I will look at all my plants differently from now on. I love it that the oils are their essence and life blood. I was looking for something to drop into my drinks while in Peru for 2 months so I don’t get traveler’s tummy or heaven forbid, on-going diarrhea. Would you recommend Grape Seed Oil Extract as being the most reliable or the Thieve’s Oil that I read about on-line. Or generally speaking they are not for internal use which it seems you are saying. Thanks so much.
Young Living oils are therapeutic grade and some of them can be applied neat but many recommend at least a 1:1 with a carrier. Always research the oils and know how to dilute them but also understand that your body may tell you that 1:4 peppermint is too diluted and isn’t giving you the best benefits. Each person responds to oils differently and should allow their body time to respond to the oil. If after an extended time – YL recommends at least 25 minutes for their oils – you haven’t noticed any affect attempt the oil again with less dilution. Keep track of your responses to each oil and base your use on the notes you have taken.
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.
Happy customers are of ultimate importance to Lisse essential oils. You can easily reach their customer service team Mon – Fri, 9 AM – 4 PM PST at 1-800-280-1973 or using the email contact form through their website. I’ve personally had great success talking with Lisse essential oils so I can say for sure there are real people with real passion behind this company.
THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.
Florasol is another solvent used to obtain essential oils. It was originally developed as a refrigerant to replace Freon. Although Florasol is an "ozone-friendly" product, it has a high global warming potential (GWP; 100-yr GWP = 1430).[11] The European Union has banned its use, with a phase-out process that began in 2011, to be completed in 2017.[12] One advantage of Florasol is that the extraction of essential oils occurs at or below room temperature so degradation through high temperature extremes does not occur. The essential oils are mostly pure and contain little to no foreign substances.[citation needed]
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