Additionally, essential oil dilution is key for effective therapeutic benefit. In fact, nearly all essential oils, with the exception of lavender and tea tree, must be mixed with a carrier oil before using it on skin. Using a few drops of an oil straight from the bottle can cause skin sensitization, which may be in the form of an allergic reaction or rash. Properly diluting oils will make them last longer.
Resins and complex combinations of terpenes are released by some plants and trees, such as evergreens, to act as antimicrobial, antifungal, and antibacterial agents against a wide range of organisms that may threaten the survival of the plants. Compounds such as sesquiterpene lactones found in plants such as feverfew, yarrow, and blessed thistle, have been found to play a strong antimicrobial role as well as a protective role from herbivores.
Another added benefit of diffusion is its ability to clean the air. When the air in a space is stagnant, smelly and unclean — like in the winter when your home is closed up — there can be infectious airborne bacteria, viruses and spores floating about ready to make you sick. But when the right essential oil is diffused, in the correct amount, you can actually kill those little buggers in the air before they get to you.
Promising Review: “The set contains 6 oils: tea tree, eucalyptus, lavender, orange, peppermint, and lemongrass. I had never used essential oils before, but I bought the set to use with my humidifier/diffuser. They smell so nice and make me feel relaxed – especially the peppermint and orange. After reading more about essential oils, I started using the tea tree oil and lavender on my face (mixed with Aveeno moisturizer). It’s amazing how smooth and clear my skin has gotten after just two weeks. The only oil that I found distasteful was lemongrass. The scent is very strong. Overall I am pleasantly surprised by how much I am enjoying these oils.” – VM
Additionally, essential oil dilution is key for effective therapeutic benefit. In fact, nearly all essential oils, with the exception of lavender and tea tree, must be mixed with a carrier oil before using it on skin. Using a few drops of an oil straight from the bottle can cause skin sensitization, which may be in the form of an allergic reaction or rash. Properly diluting oils will make them last longer.
Never use an undiluted essential oil on a baby or child. Children have much thinner, more delicate skin than adults have, and tend to be very sensitive to the potency of essential oils. In fact, even if you do use essential oil in a recipe for children, only use half of the essential oil recommended in the recipe. That’s all they’ll need, anyway. (Here is a list of 19 essential oils that are safe for babies and children.)

Actually John, that isn’t entirely true. Unlike many products EOs are not required to list everything that is in them. Some grocery and drug store brands of EOs come already diluted only this isn’t mentioned on the bottle. You can unknowingly over dilute your EOs by adding additional carrier because you think the product you have gotten from the drugstore is pure.
Thanks for the info. What does it mean exactly when they say an essential oil should be avoided during pregnancy? Does that mean that if my wife is pregnant I also can’t use those oils because she might smell it and be negatively effected? What can and can’t you do with the ‘avoid during pregnancy’ oils while your spouse is pregnant? Thanks a lot, Jim
SMH at all of these Young Living Distributors saying their oils are the most pure and safe to be ingested. People, do your research please before being scammed by these distributors. There are third party sites that test the oils from different companies. Young Living oils are not more “pure” nor are they safe to be ingested without consulting a certified aromatherapist who is trained to know what amount of what oils can safely be ingested and by who. Some ages or people with certain conditions cannot ingest this or that oil. 1 drop of Lemon EO is equivalent of consuming like 1000 lemons. Young Living and Doterra and any other MLM company’s oils are more expensive not because they are pure but because they have to feed MANY mouths down the MLM chain. There are many companies out there that have pure oils without additives that are WAY more affordable. I am not a seller or a certified aromatherapist. I am just tired of all these MLM distributors spreading lies just so they can make a buck.
The most important terms to look for regarding the way the plants are grown and harvested are: Certified Organic, Wild Harvested, or unofficially organic (sometimes called “unsprayed”). A reputable essential oil company will freely disclose all information about where and how their source plants are grown, and they’ll be proud of their organic choices.
Immediately after receiving my oils, I posted my review on here and it was very negative. I spoke about how the bottles leaked and the oils smelled metallic and, in general, gave a really negative review. I have since visited my local health food store and purchased their versions of some of the oils offered here. Now is where I apologize. I didn't realize the quality oils kis had compared to others. Their eucalyptus and peppermint are the best I found so far! To be fair, the bottles do tend to leak so store them upright. And, I still cannot stand their lavender (which is the bottle that leaked on the rest and tinted my view.) All in all, these are very fine oils and I will be ordering again. Now, if they only sold bigger bottles...
According to Avery, while specific dilutions can vary based on personal needs and individual essential oils, the general rule of thumb is to aim for a one to five percent dilution. "A one percent blend is six drops of essential oil per ounce of carrier, while a five percent blend would be 30 drops per ounce of carrier," she says. For specifics, check out Aura Cacia's handy dilution guide.
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