There’s no denying that aromatherapy is beneficial, but with all those different options available, which one’s the best essential oil to diffuse?

While that hugely depends on what you’re after, I’m sure my list of the 30 best essential oils to diffuse will be able to help you out!

Top 30 Essential Oil To Diffuse: The Ultimate Guide To Aromatherapy

Top 30 Essential Oil To Diffuse: The Ultimate List
“Where Can I Buy Oils For My Diffuser?” & Other Essential Questions
Top 30 Essential Oils To Diffuse: Wrapping It Up

Top 30 Essential Oil To Diffuse: The Ultimate List

Below you’ll find a complete list of the essential oils to diffuse – the only one you’ll ever need!

 Essential Oil To Diffuse
Essential Oil To Diffuse

1. Lavender

Lavender oil is one of the most popular essential oils out there, and rightly so – it has a surprisingly wide array of uses.

And if you have kids, know that lavender is probably one of your best options for baby congestion, too.

2. Ylang-Ylang

First off, I’m glad I don’t have to try to pronounce this one, and I can write it down for you, instead.

If you’re looking for the essential oil that will restore a sense of balance to your daily life, ylang-ylang is the one to consider. Plus, it smells lovely, which is always a plus.

3. Lemon

Due to its outstanding antimicrobial properties, I consider lemon oil the one you should diffuse for clean air in your home. If you want something that acts as a deodorant for your home and purifies the air by removing potential pathogens, lemon oil is the best.

Also, there’s no way the fresh smell of lemon oil won’t leave you in high spirits!

4. Lemongrass

Lemongrass oil

No, lemon and lemongrass oil is not the same thing. These come from two entirely different plants!

That said, they do have some shared benefits, such as being excellent air fresheners. However, lemongrass is probably the best diffuser oil for treating headaches – or any other stress-related issue you’re experiencing.

5. Cassia

When flu season hits, cassia oil will be your main ally in keeping you healthy and your home germ-free. Diffuse it, and reap its antibacterial, antifungal, and antiviral properties, because it is the one to diffuse if you want to get rid of germs!

A couple of drops of cassia oil will make your house smell like Christmas candy, too.

6. Cinnamon


Speaking of Christmas, another essential oil that always brings festive vibes is cinnamon oil.

The list of health benefits associated with cinnamon oil is too long to list here, so I’ll point out a few major ones, like anti-inflammatory and antioxidant properties. Plus, it’s excellent at curing headaches.

7. Frankincense

Although it’s somewhat expensive, frankincense oil has some amazing health benefits, and nothing’s more important than health, right?

Its antiseptic, anti-inflammatory, and astringent properties make frankincense oil one of the best diffuser oils when you have a cold. Plus, it never fails to lift my spirits!

8. Peppermint

The crisp and refreshing tones of peppermint oil are the way to go if you want an energy booster! It provides numerous health benefits, too – relieving muscle soreness, and headaches, and clearing up respiratory blockages.

With that in mind, peppermint oil seems like the perfect essential oil to diffuse to cure a stuffy nose and other flu symptoms quickly.

9. Eucalyptus

When it comes to treating colds, only a few other essential oils can measure up to eucalyptus. What makes eucalyptus an excellent choice when you’re dealing with chest congestion are its antispasmodic, antimicrobial, and antiviral properties.

10. Rosemary

I know the first thing that comes to mind when you hear the word “rosemary” is cooking herbs, but it’s a potent essential oil, too.

It works wonderfully as a natural antidepressant, helps treat anxiety, and relieves muscle tightness, among other things. No wonder it’s one of my favorite diffuser oils for stress-related issues!

11. Tea Tree Oil

Because of its antiseptic properties, tea tree oil should be another staple in your collection, especially if you want something that will keep the air in your home clean, and mold-free.

Many people favor tea tree oil, and its antibacterial, antiviral, and antifungal properties, as the best essential oil to diffuse for clean air.

12. Cedarwood

There are two reasons why I love cedarwood oil – its rich, earthy smell, and the calming effect it has.

High levels of sesquiterpenes make it the go-to oil when it’s time to unwind after a busy day. The fact that it encourages melatonin release makes it one of my favorite essential oils to use at night.

13. Jasmine

Jasmine oil is pricey, but given its potent healing properties, I would say it’s worth the money.

While it’s known for its positive effect on respiratory issues, and depression, jasmine oil is considered to be one of the best diffuser oils for stress, above all else. It will give you an instant feeling of relaxation!

14. Bergamot

As opposed to most citrus oils, bergamot won’t have the typical stimulating effect on you. Instead, expect a fragrance that will bring a sense of emotional balance into your surroundings. That’s why I consider bergamot one of the best essential oils you should try for anxiety, as well as any sleep-related issues.

15. Roman Chamomile

Among its many benefits, Roman chamomile oil also has a soothing effect both on your body, and your mind, which will make it one of your favorite essential oils to use at night.

If you want something that will help you relax, and turn your bedroom into a sleep sanctuary, Roman chamomile is the way to go.

16. German Chamomile

You might think there’s not much of a difference between Roman and German chamomile – it’s all chamomile, after all – but you couldn’t be more wrong.

German chamomile oil is probably the best choice of diffuser oil when you’re sick since it has a soothing effect that melts away muscle aches, and even throat pain.

17. Valerian

Valerian oil should become a part of your bedtime routine if you’re dealing with stress, anxiety, or depression. As you probably know from personal experience, all that can affect your sleep quality, so, if you want a better night’s sleep, valerian essential oil should be at the top of your list!

18. Vetiver

Since I already mentioned the best diffuser oils if you want to improve your sleep quality, make vetiver your go-to choice whenever your mind needs a little help shutting off at night.

Know that the smell is vibrant, with a strong earthy note. You’ll get used to it, though, or you can mix it with Roman chamomile or lavender.

19. Clary Sage

Are you dealing with depression or anxiety? If the answer is yes, then you should add clary sage oil to your collection, because it’s known to be one of the best essential oils for relieving anxiety.

Furthermore, since insomnia often accompanies depression, know that clary sage oil helps you sleep better, too.

20. Marjoram

When I first discovered marjoram, I was using it for cooking. As I started learning about the oil’s properties – analgesic, antibacterial, antiseptic, to name a few – and its calming effect, I quickly decided to move it from my kitchen to the bedroom.

It has been one of the irreplaceable diffuser oils for stress ever since.

21. Sandalwood

The next best essential oil for a diffuser is sandalwood, with its rich, woodsy fragrance. It reduces anxiety, promotes relaxation, and helps combat chronic insomnia.

Sandalwood is a bit pricey, but if you ask me, having it in your collection, and being able to diffuse it at night is worth every dime.

22. Orange

Did you notice that even just peeling an orange, and releasing the oil from the peel, can have an instant uplifting effect on you?

What I love about orange oil is that it acts as an antidepressant and a mild sedative, without leaving you drowsy – you’ll reach a state of relaxation, without compromising your alertness.

23. Geranium

Want an essential oil that will bring a dash of calmness and optimism into your home? Geranium oil is the way to go!

Not only does it smell nice and sweet, but it acts as an antidepressant, alleviates anxiety, and promotes emotional wellness, too, which makes it one of my go-to choices for treating anxiety.

24. Rose

It’s made from crushed rose petals, so don’t expect it to be affordable – it takes about two thousand flowers to make just one gram of oil. However, if you want something that will help you deal with anxiety, know that rose oil is one of my favorites.

Can you imagine how lovely it smells?

25. Patchouli

If you want an essential oil that will help you end your day on a relaxing note, patchouli oil is the best. Whenever life gets stressful, light some candles, draw a bath, put music on, and add a few drops of patchouli oil to your diffuser. I promise it will be a night to remember!

26. Grapefruit

Like any other citrus oil, grapefruit oil will fill your home with an energizing, uplifting fragrance, which is what you’ll need when life gets the best of you.

Because of its antimicrobial properties, it doubles as a renowned essential oil to diffuse if you want clean air in your home. Mix it with lemon oil for the best results!

27. Clove

I like to think of clove oil as similar to eucalyptus, but a lot more gentle, which makes it perfectly safe to diffuse in homes that have small children.

On top of that, clove oil has a pleasant smell – it’s no wonder it’s one of the best essential oils for allergies.

28. Thyme

Thyme falls into the category of essential oils you should disperse for allergies and is an excellent choice when it comes to diffuser oils for congestion. Here’s why: It’s capable of curing respiratory infections, and it helps clear out any excess mucus that might build up in your chest, too.

29. Cypress

And while we’re on the subject, I’d like to mention cypress oil as one of the best diffuser oils for curing a cough. That’s because it shows impressive antioxidant properties, but most importantly, it reduces respiratory congestion and has a nice, cooling effect when inhaled.

30. Oregano

We’ve all used oregano for cooking, but have you thought about giving it a try for aromatherapy? There are indeed plenty of reasons to do so, and they mostly revolve around its anti-inflammatory, antibacterial, and disinfectant properties.

If you’re looking for essential oils to diffuse colds, oregano oil is the one to try.

“Where Can I Buy Oils For My Diffuser?” & Other Essential Questions

If you’re not sure which brands are trustworthy enough to use as aromatherapy, you should check out my article on the best essential oil brand. All the manufacturers listed there were tested by yours truly, so no need to hesitate!

Another critical question to answer before I wrap things up is:

Where can you buy diffusers for essential oils?

That’s the straightforward part – the market is full of options.

However, if the prospect of searching through thousands of diffusers in hopes of finding the right one scares you, consult my round-up of the best essential oil diffusers for help. Also, take the time to learn how to clean the essential oil diffuser – if you don’t, it might turn into a breeding ground for mold and bacteria.

Furthermore, did you know you can choose between oil burners, diffusers, and humidifiers? Check out my oil burner vs. diffuser, and humidifier vs. diffuser comparisons to learn more, and figure out the differences!

Top 30 Essential Oils To Diffuse: Wrapping It Up

There you have it – top 30 essential oils to diffuse, all wrapped up in one convenient list.

Which one’s the best essential oil to diffuse?

Well, as I said – it’s all about what you need. However, I’m sure there’s something for everyone here. Furthermore, by mixing some of the oils, you’ll get the best essential oil diffuser combinations, so don’t be afraid to get creative!

Let me know about your go-to diffuser oils in the comments below!

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