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    What Does It Mean To Apply Essential Oils Neat & Is It Good Practice?

    29.3KViews Modified: Mar 23, 2025 · Published: Mar 7, 2015
    By Jacqueline 16 Comments

    2.2K shares
    • 1.7K

    What Does It Mean To Apply Essential Oils Neat? Essential Oils in Thieves blend

    If you apply an essential oil ‘neat’, then you are applying it without a carrier oil –  directly on your skin without blending or diluting it. 

    The Essential Oils We Have Used Neat in Our Family:

    • Tea tree oil

    • Lavender

    That’s all, but I’m even rethinking that.

    I Based that on Robert Tisserand’s Warning Words:

    “Essential oil dilution is important for two safety reasons:

    • to avoid skin reactions: irritation, sensitization and phototoxicity.

    • and to avoid systemic toxicity, such as fetotoxicity, hepatotoxicity, carcinogenicity and neurotoxicity. Adverse skin reactions are obvious when they happen, but systemic toxicities may not be. Skin reactions are totally dilution-dependent, and safety guidelines exist to minimize risk.

    “This does not mean of course that every time a person uses an undiluted oil there will be an adverse reaction. Many times there won’t be. But more is not always better, and minimizing risk is generally a good idea. A phototoxic reaction for example, can be very, very nasty.” (source)

    Can You Become Sensitized to an Essential Oil if Used Neat?

    We’ve been taught that a few essential oils (lavender, tea tree and several others) can be applied topically to your body neat, straight from the bottle.

    But there are many, many more should NEVER be applied neat (including Thyme, Oregano, any Thieve’s blend, Cloves, Citronella, Lemongrass, Cinnamon, sometimes Peppermint, and the list goes on). These later oils give a sensation of heat or ‘hot’ on the skin as they produce a strong detox reaction. 

    The undiluted application of essential oils is a highly controversial topic within the aromatherapy industry.

    Give Care in Using Any Oil Neat (undiluted)

    What Does It Mean To Apply Essential Oils Neat? book Essential Oils and AromaticsLavender sensitization has been heavily documented in Great Britain. (source) Once an individual has become sensitized to an essential oil, the reaction can be permanent. At the very least, it takes several years before the oil can be reintroduced without causing further irritation. 

    According to Marge Clarke, in her book Essential Oils and Aromatics,

    “One of my mentors reminds me ‘sensitization is forever.’ And I know she is right. Years ago I read the books saying that lavender oil could be used neat (undiluted). I very unwisely used undiluted lavender on broken skin, and consequently set up a sensitivity reaction. Today, almost two decades later, if I come in contacts with lavender in any form, I will immediately start a new round of contact dermatitis that can take months to heal.” (source)

    It’s important to understand that all essential oils, no matter the quality of the oil, are an extremely concentrated combination of multiple naturally-occurring chemical constituents. Used wisely they are very safe and effective.

    Blended essential oils have long been our go-to antibiotic!

    Because they’re so concentrated, if you don’t dilute, you may end up with unhappy skin, possible tears, or severe sensitivity with an inability to ever use that precious healing oil again. Additionally, it is never wise to apply essential oils to your eyes or private areas.

    Diluting never hurts and takes so little time.

    It does not decrease the effectiveness of the oil. It may help to increase absorption by preventing evaporation, as well as decreasing the likelihood of a skin reaction, so unless you have reasons not to (such as a painful bee sting away from home), it’s a good idea to dilute. It can also save you money in the long run.

    Please do not use an essential oil neat on a child. Children have much thinner, more delicate skin than adults have and tend to be very sensitive to the potency of essential oils. Less is more in this application.

    Essential oils should be combined with a carrier oil such as Coconut Oil, virgin olive oil, sweet almond oil, apricot kernel oil, etc. 

    Below is a basic dilution chart that is taught in many aromatherapy schools. 

    What Does It Mean To Apply Essential Oils Neat? Blending dilution chartWhat Does It Mean To Apply Essential Oils Neat? reference-chart for use

    How To Do a Skin Test

    You can do a small patch test first. Combine one drop of essential oil with 1/2 tsp carrier oil (like olive, Coconut Oil, jojoba or sweet almond oil). Rub this on the inside, upper portion of the arm and wait a few hours. If no redness or itching develops, you’re most likely not sensitive to that essential oil.

    The Feet Have It

     a child's feet

    So while we might still use diluted ginger on the stomach for nausea or upset stomach or diluted peppermint on the temples or wrists for a headache, it might come as a surprise the the soles of the feet are an excellent place to apply EOs.

    The bottom of your feet has some pretty tough skin on it. Feet are a less sensitive place and most people, even babies and people with sensitive skin have no adverse reaction because of sensitive skin when the oils go on their feet.

    Some of the largest pores on your body are on your feet. The oil will absorb quickly and readily into your tissues. We still use a carrier oil (again, it can be as simple as coconut or olive oil) and then cover with warm socks. 

    For a baby, you only need a tiny amount – one drop of your chosen oil. Add ONE drop to 1 TBSP of a carrier oil and rub on the soles of their feet. Here is my list of safe essential oils for children and babies.

    A list of 19 essential oils that are safe for babies and kids

    Please beware: A few companies, their sales people, and some therapists promote using essential oils on the skin full strength. Several EO companies in particular have a reputation for promoting the neat use of various essential oils on the skin. I will not name them, but I will say this: by giving directions and promoting the use of undiluted essential oils, they will make a lot more money because consumers will need to purchase more quantity of oils than if they don’t dilute the product. What is being taught isn’t in our best interest. Think about it.

    Many essential oils when stored properly will last 7 or even 10 years. I have some that I’ve had for a decade and know the oil is still quite potent. I use them sparingly and with knowledge, and they have served my family well. See my post on Building a Complete No-Side-Effect Medicine Chest.

    A few of the contents of my no-side-effect medicine cabinet

    For additional reference: 
    Toxicity Myths – the Actual Risks of Essential Oil Use

    Undiluted Application of Essential Oils

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    What Does It Mean To Apply Essential Oils Neat? Essential Oils of Thieves blend

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    Comments

    1. Jill York

      March 07, 2015 at 11:19 pm

      This is such great information on this! I’m like you in that I’ve had a hard time knowing what to think about the conflicting information on this subject. I guess it’s better to be safe than sorry!

      Reply
    2. Jamie

      March 08, 2015 at 4:00 pm

      Thank you for sharing this, I do agree that one should use caution with all oils, some are very hot. But I thought you might like read this concerning toxicity http://www.agoraindex.org/Frag_Dem/toxicitymyths.html

      Again, thank you for sharing, I love spreading the knowledge about oils and their amazing qualities in aiding the body in its own efforts to heal!
      Jamie

      Reply
      • Jacqueline

        March 08, 2015 at 5:21 pm

        Thank you, Jaime! I read it all, and agree with you and the author. My goodness! There is so much to learn, but I love it 🙂 I will add this link to the post as a reference for further study.
        Blessings!

        Reply
    3. Christy C

      March 08, 2015 at 9:24 pm

      Thank you for the information! Our family is fairly new to using EO’s and we have been enjoyed the benefits. I am so happy to be armed with this info! I have been using Thieves without a carrier most of the winter! No more! I will be referring my daughter and daughter-in-love to your blog for this wonderful and helpful information!

      I am thankful for all the time and energy you put into your blog. You are a blessing! Have a blessed week!

      Hugs,
      Christy

      Reply
      • Jacqueline

        March 08, 2015 at 10:45 pm

        Thank you, Christy!
        You have always been such a big encouragement to me and to others! I love having sisters in the Lord who are so kind and edifying!
        Have a blessed day! BTW, I’m coming over for a visit 🙂

        Reply
    4. Beverly Chase

      March 09, 2015 at 7:36 am

      So useful article! I use essential oils for my laundry. I put a few drops lavender essential oil into my laundry detergent and then my clothes smell amazing. Thanks a lot for sharing this important information about the essential oils.

      Reply
    5. JES

      March 09, 2015 at 7:59 am

      This is very interesting Jacqueline. We are big EO users over here and I hate to sensitize us to the wonderful healing potentials. We do do a lot of neat application in our household. I will have to re-evaluate how we use them… Good point about the frugality too because it seems like we are using up certain “safe” oils rather quickly! 🙁

      Reply
    6. kimberly bee

      March 13, 2015 at 12:04 pm

      Thank you! I’m new to essential oils this year and have so much to learn. I haven’t used any oils “neat” yet, but I’m sure I would have at some point. I’m grateful to know this in advance!

      Reply
    7. Hilary

      March 18, 2015 at 7:36 pm

      This is completely eye – opening for me. This explains why my daughter’s skin broke out in actual blisters when we applied Thieves directly to the skin. She was recovering from a puncture wound and we were trying to keep it clean at all costs. Bless her heart, she just suffered right through it because we didn’t realize the oil was causing the blisters! Now I know! Thank you so much!
      Hilary

      Reply
      • Jacqueline

        March 18, 2015 at 8:22 pm

        I’m so glad it cleared up that mystery, Hilary. It sounds as though your daughter didn’t get an infection. Not sure which is worse…probably the infection! Haha! God bless you, friend 🙂

        Reply
    8. Naomi@WhatJoyIsMine

      April 05, 2015 at 4:24 pm

      Jacqueline…You certainly got me thinking with your post. We usually dilute our oils since in a few treatments we use two oils and not just one. However, I have used a couple neat and had good results. Yet I will definitely look more into this and be mindful of what I find. I agree, we need to be educated and definitely paying attention to how EOs affects our families when being applied in any way. Thank you for the heads up my friend. 🙂

      Reply
      • Jacqueline

        April 06, 2015 at 4:37 pm

        You are welcome, Naomi! There are so many that do it both ways, but I want to be safe …”first do no harm”…
        Thanks!

        Reply
    9. Stephanie

      May 05, 2015 at 11:10 pm

      We rely heavily on essential oils and other natural remedies. The majority of the time, I dilute my oils. But there are occasions when using an oil un-diluted has been more effective. Bizarre, I know. It’s also important to note that essential oils are actually MORE effective when diluted. They are non-fatty, thus, they flash off quickly. When using them with a carrier oil, more absorbs into the skin. Diluting is a good thing for many reasons.

      I’m with an essential oils “sales company” and I have heard our corporate owners encourage diluting. It makes me kinda sad because I think our company is pretty awesome but sometimes we get a bad rap.

      Thanks for the post!

      Reply
      • Jacqueline

        May 06, 2015 at 10:56 am

        Thank you for your comment, Stephanie. The point about flashing off quickly is an important concept.

        Reply

    Trackbacks

    1. » What Does It Mean To Apply Essential Oils Neat? says:
      March 7, 2015 at 10:30 pm

      […] What does It Mean To Apply Essential Oils Neat? If you apply an essential oil without a carrier oil, then …read more       […]

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    2. HOW I HEALED MY HERPES COLD SORE IN TWO DAYS says:
      October 20, 2016 at 12:00 am

      […] not use the essential oil of oregano neatas it is a ‘hot’ oil and will burn the skin. You must first add it to olive oil or coconut oil […]

      Reply

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