Can You Mix Essential Oils In A Diffuser?

So can you mix essential oils in a diffuse? Definitely, it’s a great idea to mix two tothree essential oils for a better aroma therapeutic experience. Blending essential oils brings you a variety of smells that cannot be achieved by using one essential oil at a time. You just need to find the ones that complement each other.

In this article, we will be looking at these topics:

  • Is it safe to mix essential oils in a diffuser?
  • Why would you mix essential oils in a diffuser?
  • How do you mix essential oils in a diffuser?
  • Examples of essential oils that blend well.
a photo of essential oils being mixed in a diffuser
If you are brave and experiment with different essential oils in your diffuser you could go on a scent journey.


Yes, mixing essential oils in a diffuser is very safe. Mixing them is even more effective. The only problem that might arise comes with making the wrong blend based on their uses. While some essential oils can help you sleep well, some will keep you focused. Mixing these two varying essential oils will have contrasting effects.

When you get to find out which essential oils complement each other, you can set off on your aroma journey, and trust me, the possibilities are limitless.


There are lots of reasons why you would choose mixing essential oils over using just one scent. One of these reasons is to experiment with different scents. While sticking to one aroma might seem like a great idea, mixing aromas is a greater idea. Just imagine mixing your favorite essential oils together, breathing it in is amazing.

Combining essential oils allows you to create your own personal scent and there’s no limitation to what you can discover. Most people mix floral with citrus and woody scents to get an awesome result.

Another reason people mix essential oils is to get a better aromatherapy benefit. The health benefits of a specific essential oil can only be gotten when diffusing that oil so mixing essential oils helps you get the combined benefits of essential oils. So mixing essential oils in a diffuser will get you more health benefits, as long as they complement each other.

More precisely, a proper mixture of essential oils will bring great synergy. You can balance the effects of oils by mixing. Some essential oils might have some side effects that can be suppressed by mixing another essential oil.


There are no hard and fast rules to mixing essential oils, it mainly depends on your taste and what works for you. While some people might like to mix two or three essential oils, some might go for more but you shouldn’t use above five essential oils at a time in your diffuser. Although there is much freedom in mixing essential oils, there are some things to consider:

ESSENTIAL OILS BY SCENTS: Essential oils can be categorized by their type of scents.

  • FLORAL SCENT: Geranium, Jasmine, Lavender, Palma Rosa, Rose, Vanilla, Ylang Ylang.
  • WOODY/ EARTHY SCENT: Cedarwood, Coriander, Cypress, Fir, Frankincense, Helichrysum, Juniper, Myrrh, Patchouli, Sandalwood, Vetiver, Oakmoss, pine.
  • CITRUS: Bergamot, Citronella, Grapefruit, Lemon, Lemongrass, Lime, Melissa, Orange, Petitgrain, Tangerine, Neroli.
  • SPICY: Cinnamon, Clove, Ginger, Nutmeg, Pepper.
  • HERBAL: Basil, Chamomile, Clary Sage, Eucalyptus, Marjoram, Oregano, Lemongrass, Rosemary, Sage, Tea Tree, Thyme.
  • MINTY: Peppermint, Sage, Spearmint.

ESSENTIAL OILS BY EFFECTS; When choosing the essential oils to mix, you should also consider the benefits they provide:

  • ENERGIZING: Rosemary, Bergamot, Lemongrass, Eucalyptus, Peppermint, Spearmint, Tea tree, Cypress, Basil.
  • CALMING: Lavender, Bergamot, Ylang Ylang, Neroli, Jasmine, Patchouli, Sandalwood.
  • DETOXIFYING: Grapefruit, Rosemary, Laurel, Lemon, Patchouli, Hyssop.

ESSENTIAL OILS BY NOTES: Some essential oils have really strong scents but they do not last long. These are called top notes. They only last for 1-2 hours. The second category lasts for 2-4 hours and has less overpowering scents. They are called middle notes because they are in between and are the heart of the blend. While the base note could last for days and has a mild scent.

  • TOP NOTES: Bergamot, Citronella, Eucalyptus, Grapefruit, Lavender, Lemon.
  • MIDDLE NOTES: Chamomile, Cinnamon, Clary Sage, Cypress, Marjoram, Neroli, Rosemary, Rosewood, Spruce, Tea Tree, Thyme, Ylang Ylang
  • BASE NOTES: Balsam, Cedarwood, Frankincense, Ginger, Myrrh, Patchouli, Sandalwood, Vanilla, Vetiver.

If you are new to essential oil blending, you could consider getting already made blends, or you could look up the ingredients of already made blends and try them out. However, it’s advisable to experiment with scents, putting these three classifications in mind to get your own unique aroma.

When using essential oils, top note essential oils should be used in lesser quantities compared to the middle note. Go by the 30-50-20 rule when using three essential oils. 30% of the top note, 50% of the middle note, and 20% of the base note. Experiment with blends till you get the result that pleases you.


Some essential oil scents that blend well are woody and floral, floral and citrus and citrus and spicy, citrus and herbal, and the list goes on. Here are some great essential oil combinations:

  • Ylang-ylang + Cinnamon + Ginger
  • Peppermint + Rosemary + lavender Neroli + Cypress
  • Bergamot + Patchouli + Ylang-Ylang
  • Lemon + Spearmint + Sandalwood + Geranium + Lavender.

Although these are great blends, it really depends on your reason for blending. Is it for a great smell, for health benefits, etc. This will be the greatest determinant of the essential oils you would use in your blend. Just make sure you research to know exactly what you need then go ahead and create aromatic synergy.


While there’s limitless room to explore essential oil blends, be careful to look up which types of oils go well together and ones that might have adverse effects. Nevertheless, keep an open mind to experimenting. Mix, mix, and mix till you create amazing aromas.

You can begin with your favorite scents before moving on to other essential oils. Try combining three at first, when you are comfortable with that, you can add one or two more. However, if you want it the easy way, you can just buy pre-blends.

Andrew Scents and Aroma