10 Best Essential Oil Diffusers | Feel the Power of Aromatherapy | Buyer’s Guide 2019

Reveiwed by: Adel Harris

Best Essential Oil Diffusers: photo

In this guide, we will explain what Essential Oil Diffusers are, how they works and how such devices are useful for beauty, overall well-being and emotional health. There are so many swell diffusers that they can be be a stylish addition to any room interior. In this review, we have collected 10 top models from $17 to $80 worthy of your attention.

What You Will Learn from This Guide:

Do you need an aromatherapy oil diffuser?

Yes, you do, especially, if you have trouble sleeping, need to boost your immunity, work on your cognitive functions and emotional health. Essential oils have been used for centuries to promote better sleep, fight diseases, and even repel insects, rodents, etc.

These are some key facts that confirm the potency and effectiveness of essential oils:

  • The research proves the efficacy of aromatherapy in putting elderly people to sleep faster and maintaining sleep for longer. Another systematic review of the effect of inhaled essential oils on sleep in healthy people suggested a positive effect of essential oils on sleep.
  • The study on Eucalyptus essential oil confirmed its efficacy as an immunoregulatory agent, besides its known antiseptic and anti-inflammatory properties.
  • The study on the benefits of aromatherapy massage revealed its positive effects on decreasing anxiety and reducing serum cortisol level.
  • The research into neuroprotective and anti-aging potentials of essential oils concluded that essential oils possessed those potentials and were effective in dementia, epilepsy, anxiety and other neurological disorders, especially in treating Alzheimer’s disease.
  • The repelling nature of some essential oils was confirmed by numerous studies, one of them, for example, looked specifically into repelling Simulium species, and found that plants based essential oils were suitable candidates as blackflies repellents. Another comparative study on 38 essential oils against mosquitos confirmed that undiluted oils showed the highest protection with clove oil giving the longest duration of repellency.

What Types of Essential Oil Diffusers Are There?

There are quite a lot of different essential oil diffusers available for purchase, but most of them can be divided into four basic categories:

Evaporative diffusers, like this one from Guardian Technologies, as the name suggests, work by turning oil into gas through evaporation, usually with the help of built-in small fans. Unfortunately, these devices, are not very potent, they won’t distribute the scent evenly, and the lighter components of the oil would evaporate much faster than the heavier ones.

Ultrasonic diffusers or humidifiers, like this one from HealthSmart, distribute the oil in a perfect cooling mist. By using electronic frequencies ultrasonic devices break up the molecules for further distribution. And in order to function, they’ll require some water, and need to be cleaned on a regular basis to prevent clogging and corrosion. The nice part is the humidifying effect these devices bring but on the downside, not all oils can be used with this type, and the distribution of oil scent can be somewhat ineffective.

Nebulizing diffusers, like this one from Aromis, always look exceptionally beautiful and polished, like a piece of expensive jewelry. They are also considered one of the best types of diffusers for a number of reasons like there’s no harmful plastic to burn, no need for heat or water, and some of the most expensive options come with different helpful accouterments such as a timer. These diffusers also tend to distribute oil effectively throughout the room.

Heat diffusers, like this one from Ivenf, are usually the most inexpensive and simple devices on the market. They work either with a help of a flame or electricity to turn oil into gas. This is exactly the type of an oil burner I use at home, and while it’s a cheap way to get a good scent throughout an apartment, it has some serious disadvantages. Speaking from experience, you can forget to put out the flame, creating a fire hazard. Happened to me a few times. Also, there was one time when the oil inside the little plate above the flame literally burst out and stained my mom’s favorite cardboard. Besides, that thing is a pain in the neck to clean and take care of. So, I would suggest investing a little more for something that would work more effectively and hassle-free.

Things to consider when shopping for an essential oil diffuser

There are a few important features to consider before committing yourself to purchase a diffuser:

  • First and foremost, it’s the size of the room you intend to use a diffuser for. Choose a nebulizing diffuser, if your apartment or the room you’d like to cover is huge.
  • Then it’s the need for water or heat. Of course, it’s pretty much obvious, that if you have to dilute the oil with water, it becomes less potent.
  • Power or vapor output. The greater the output, the more effective is the oil distribution. Some of the expensive models will allow you to actually control the amount of vapor you want your diffuser to produce. Otherwise, you can control the scent yourself by diluting or increasing the concentration of oil in water.
  • Material. I don’t like too much plastic and I seriously think, there’s enough of it in the environment already, so my advice is to look for high-quality ceramics or glass. However, if you’d like to choose a humidifying ultrasonic device, then look for polypropylene or another strengthened polymer material.
  • Level of noise. Look for one with noise level less than 23 dB if you’re noise sensitive.
  • Accessories. If you’re a techie person, you might appreciate other features like timer, and ambient lighting to create a romantic atmosphere at just the right time if you know what I mean.

Top-10 Best Essential Oil Diffusers

Best Aromatherapy Diffusers for Small Rooms

We’ll start with the smallest and most cut-rate 100-120 ml diffusers which will come in handy for flavoring small spaces such as bedrooms, bathrooms, hotel rooms, home offices, offices. Among the best ones there are two very similar products in terms of price, unobtrusive design, and by functions. It’s up to you to decide which one you’ll pick.

URPOWER 2nd Version Essential Oil Diffuser,100ml Aroma Essential Oil Cool Mist Humidifier

URPOWER 2nd Version Essential Oil Diffuser: photo10 Best Essential Oil Diffusers | Feel the Power of Aromatherapy | Buyer’s Guide 201910 Best Essential Oil Diffusers | Feel the Power of Aromatherapy | Buyer’s Guide 2019Here before you is a #1 Best Seller in the Single Room Humidifiers category on rated 4.6 stars out of 5. This plastic diffuser is so light and compact that its weight and size are comparable to those of an iPhone. The product will humidify the air in the house and to prevent over-drying of the skin and mucous membranes. According to the manufacturer URPOWER, this diffuser is able to release more “fog” than the previous version of the product. When you add a favorite essential oil scent, it will also freshen the room and create the right mood, a creative, a romantic or a relaxing one… Read over 5700 customer reviews to know how others used this device.

The gadget’s capacity is only 100 ml, so it will only be able to work continuously for up to 6 hours. The input power is AC100-240V 50/60 Hz. The power cable length is 70 inches. The illumination provides 7 colors and can optionally enter the kaleidoscope mode with either the infinite color change or with a color of your choice. Auto shut-off is available: if the device runs out of liquid, it will turn off.

URPOWER 2nd 100ml: Check the current price

Aromatherapy Diffuser | Wood & Glass | Professional Grade | Aromis

Aromatherapy Diffuser by Aromis: photo10 Best Essential Oil Diffusers | Feel the Power of Aromatherapy | Buyer’s Guide 2019This beautifully exquisite piece of glass is a fantastic representative of nebulizing diffusers. Having such an elegant and smoothly delicate shape makes it an absolute must-have option for every interior design lover. It’s classy yet modern. The wooden base adds authenticity and finesse to the structure, while glass ads style and graceful opulence. Besides its polished design, the nebulizer doesn’t require any heat or water to function, which preserves the natural qualities and genuine healing properties of the essential oils without diluting or destroying the chemical substance. There’re various other features available, like adjustable aroma intensity, timer, and an auto-shut off. Suitable for places up to 900 sq ft.

Aromis: Check the current price

Aromatherapy Essential Oil Diffuser 7 colors – 120 ml Portable Ultrasonic Cool Mist Aroma Humidifier

Aromatherapy Essential Oil Diffuser 7 colors - 120 ml: photo10 Best Essential Oil Diffusers | Feel the Power of Aromatherapy | Buyer’s Guide 2019This is also a #1 Best Seller in the Aromatherapy Diffusers category with over 4000 reviews! The product can serve both as a regular humidifier and as an essential oil spray.

The bowl volume is 120 ml, a little larger than the previous diffuser’s. This one provides for two ways of spraying: either continuously or at 30 second intervals. As a result the total time of operation is ~ 7 hours. Conveniently, the diffuser is supplied with a special measuring cup for water so that you won’t pour more liquid than you need. The manufacturer Radha Beauty recommends adding no more than 2-3 drops of essential oil per 100 ml. of water (by the way, it also produces cosmetics and essential oils – check out its best-selling Top 6 Aromatherapy Set. To pour water and oil, you’ll need to turn the lid and lift it, and then, after pouring in whatever you need, close it.

This essential oil diffuser also has several modes of illumination: from the automatic color change to a one particular color of the seven available. Depending on the room lighting and your mood, you can regulate the brightness or turn the illumination off at all.

Radha Beauty: Check the current price

Aromatherapy Essential Oil Diffuser | InnoGear – diffuser with auto shut off; perfect for a baby room

InnoGear Aromatherapy Essential Oil Diffuser: photoThis is a fantastic bestseller from Innogear that has some powerful features like a humidifier, seven changing mood lights, auto shut-off function, and three working modes. This is a good option for both a living space and baby room. The changing lights would surely stir your child’s imagination, and “lights only” mode would help put your baby to sleep if they are afraid of the dark. Besides, a humidifier is an important device to have in a child’s bedroom to level up that humidity levels that suffer greatly in winter. Overall, this is a decent choice for such an affordable price. It has also received a generous number of positive reviews with customers saying it was small but a powerful thing.

InnoGear 2nd Version: Check the current price

PureSpa Essential Oil Diffuser | Pure Enrichment – compact diffuser with ionizer

PureSpa Essential Oil Diffuser: photoThis PureSpa oil diffuser can seldom be seen in yoga studios or massage cabinets. It’s indeed a pretty popular and affordable solution for quick and powerful aroma distribution. It refreshes and moisturizes the air in rooms up to 250 square feet and is able to do so for up to 7 hours at a time. Optional color-changing LED lighting creates a relaxing atmosphere and a soft night glow. Besides, there’s an ionizer feature that helps clean the air from bacteria and viruses. The testers were impressed with the diffuser, praising its quiet operation, relaxing lighting, and ease of use.

Pure Enrichment: Check the current price

Best Aromatherapy Diffusers for Medium-Sized and Big Rooms

Do you need a larger diffuser that will work longer? The following 200 and 300 ml bowled products precisely meet these requirements and are ready to freshen the air for 8-10 hours. They can be easily used in any medium or even large room at home or at work. They are also similar in many ways, so pick one to your taste.

InnoGear 200ml Aromatherapy Essential Oil Diffuser, Wood Grain

InnoGear Aromatherapy Essential Oil Diffuser: photo10 Best Essential Oil Diffusers | Feel the Power of Aromatherapy | Buyer’s Guide 2019This 200 ml diffuser has a curious design: repeating the wood texture, this product resembles a truncated sphere pinned on top. It will match any interior, but will look particularly good with ethnic motifs, for example, in a yoga center. The price of this gadget, rated with 4.5 stars out of 5.

According to the device’s technical characteristics, its noise level is less than 25 dB (this is the volume of a human whisper, i.e., there is almost no noise). The power consumption is AC 100-240V 50 / 60HZ.

Long story short, this gadget is equipped with all the same functions as its rivals while having a remarkable design that will be recognized by the fans of the extraordinary and a greater bowl volume. Although you will have to invest into the originality, your health will be safe. As the manufacturer notices, the materials of which the device is made, do not contain the toxic and harmful to the health bisphenol-A. It also grants a 45-Day refund and 2 Years Warranty for the product.

InnoGear 200ml: Check the current price

VicTsing 300ml Cool Mist Humidifier Ultrasonic Aroma Essential Oil Diffuser for Office Home Bedroom Living Room Study Yoga Spa – Wood Grain

Ultrasonic Aroma Essential Oil Diffuser VicTsing: photo10 Best Essential Oil Diffusers | Feel the Power of Aromatherapy | Buyer’s Guide 2019This diffuser is #1 Best seller in the Home ULPA Air Purifiers category. It resembles a small volcano, or a bulb, and repeats the texture of light wood, though it is made of plastic. Such a design will be loved by the fans of natural materials in the interior! Another competitive edge is the fact that in comparison with other products it holds much more fluid: up to 300 ml, while it has rather compact dimensions of 6.7 x 6.7 x 6 inches. This diffuser is enough for 10 hours of continuous operation. There are also other modes of operation: 1 hour, 3 hours and 6 hours. Whichever you choose, you can be sure it will turn off automatically when it runs out of the liquid. Just like its analogs, the illumination is available in 7 colors.

The manufacturer indicates that the product gives you an opportunity to de-stress from a busy and tough day, as well as to sleep soundly in a sweet-smelling room. It is important to notice that the diffuser has three legs that prevent it from tipping over. This will appeal to those who have small children in the house. It will be indispensable in winter while the heaters are on when the air is particularly dry and has an adverse impact on the skin and mucous membranes. Read over 1400 customer reviews to see this for yourself.

VicTsing wood: Check the current price

The same diffuser is available in another color – VicTsing Essential Oil Diffuser Humidifier, Wood Grain 300ml Ultrasonic Diffuser Cool Mist Humidifier for Home, Yoga, Office, Spa, Bedroom, Baby Room. While the former item imitates the milk oak, the latter is a wenge or a black oak. This noble color will appeal to those whose interior is designed in a similar color.

VicTsing dark brown: Check the current price

TaoTronics Essential Oil Diffuser, 300ml Wood Grain Aroma Diffuser

Essential Oil Diffuser TaoTronics 300ml: photo10 Best Essential Oil Diffusers | Feel the Power of Aromatherapy | Buyer’s Guide 2019This 300 ml diffuser is also similar to an onion or walnut, but is intended only for 8 hours of continuous operation and is a bit cheaper. The device is equipped with a timer: you can turn it on for 1, 3, or 6 hours or until complete liquid evaporation. Traditionally, the product provides two modes of evaporation (creating fog): less or more intense. After that, this diffuser, just like other models, will turn off on its own. The manufacturer gives the 1-year warranty on the device.

The carefully selected shades of the built-in LED indicator will endow you with a relaxing light therapy; if necessary, the play of light can be turned off by pressing the button, or choosing a bright / dim glow.

Let us add that this diffuser is very quiet and will not disturb you at night. To change the scent of your home you only need to remember to clean the device so that the essential oils do not mix. Let us note that certain diffuser buyers complain of headaches, so we recommend being cautious when picking an oil if you suffer from migraines or allergies or if you have a baby. Perhaps the owners of small spaces should turn their attention to less capacious devices.

TaoTronics: Check the current price

Essential Oil Diffuser, 5 In 1 Ultrasonic Aromatherapy Vaporizer | ASAKUKI – for bigger rooms (classroom, office) with humidifier & timer

ASAKUKI Essential Oil Diffuser 5 In 1: photo10 Best Essential Oil Diffusers | Feel the Power of Aromatherapy | Buyer’s Guide 2019This powerful and huge ultrasonic device with additional functionality as a humidifier would fit and work well in larger rooms, like a classroom or office. Its 500ml water tank is good for approximately 10 to 16 hours of continuous work. Seven different LED light colors, multiple mist modes, as well as a safety auto-switch, would guarantee a hassle-free relaxing time. Customers shared their beautiful pictures with this device with captions like “best essential oil diffuser humidifier ever”, “could not be happier”, or “wow better than I expected.”

ASAKUKI: Check the current price

Essential Oil Diffuser &Humidifier | ArtNaturals – with Bluetooth speaker clock

Essential Oil Diffuser &Humidifier ArtNaturals: photo10 Best Essential Oil Diffusers | Feel the Power of Aromatherapy | Buyer’s Guide 2019Essential oil diffuser from ArtNaturals comes with an advanced Bluetooth technology, which is compatible with all Bluetooth devices. To play the music, place the Bluetooth device within a close distance of the diffuser, select “ArtNaturals,” and play your favorite relaxation tunes. The speaker would automatically reconnect to the last device used. There are also seven LED colors available to create your own relaxing ambiance. There are three timer settings and once the water runs out, the diffuser will automatically shut off. Most of the consumers loved using the device, however, some did have troubles connecting their Bluetooth devices to the diffuser.

ArtNaturals: Check the current price

Essential Oil Diffusers Comparison Chart

URPOWER 2nd Version Essential Oil Diffuser
Capacity: 100 ml
Working time: up to 6 hours
Auto shut-off
Aromatherapy Diffuser - Professional Grade
Working time: up to 4 hours
Auto shut-off
up to 900 sq ft.
Aromatherapy Essential Oil Diffuser 7 colors
Capacity: 120 ml
Working time: up to 7 hours
Auto shut-off
Aromatherapy Essential Oil Diffuser | InnoGear
Material: Upper parts PP
Capacity: 100ml
2 Misting Mode: Intermittent/ Continuous
7 Color LED Lights
Noise: less than 35 dB
Working time: 7-9 hrs continuous mode, 9-11 hrs intermittent mode
PureSpa Essential Oil Diffuser | Pure Enrichment
Capacity: 100ml
Color LED Lights
Coverage: 250 square feet
Working time: 7 hours
InnoGear Aromatherapy Essential Oil Diffuser
Capacity: 200 ml
Working time: up to 8 hours
Auto shut-off
VicTsing Cool Mist Humidifier Ultrasonic Aroma Essential Oil Diffuser
Capacity: 300 ml
Working time: up to 10 hours
Auto shut-off
TaoTronics Essential Oil Diffuser, Wood Grain Aroma Diffuser
Capacity: 300 ml
Working time: up to 8 hours
Auto shut-off
Essential Oil Diffuser, 5 In 1 Ultrasonic Aromatherapy Vaporizer | ASAKUKI
Material: eco-friendly PP materials
Capacity: 500ml
7 Color LED Lights
Coverage: 270-320 square feet
2 levels of mist
3 timers
Working time: 10-16 hours
Auto shut-off
Essential Oil Diffuser &Humidifier | ArtNaturals
Capacity: 400ml
7 Color LED Lights
Bluetooth speaker clock
3 timers
Auto shut-off


What’s the difference between a diffuser and a humidifier?
A diffuser distributes oil throughout the room, while humidifier disperses water and increase moisture in the air.

How can I clean my diffuser?
Usually, the diffusers are cleaned with vinegar. So you’ll have to fill the water tank half full with water and add a splash of vinegar. Let it sit for a few hours and then clean the remaining parts with a wet cloth to remove any smudges.

What’s better: essential oils vs. scented candles?
Firstly, it’s a matter of taste. I used to like scented candles, but my kid is allergic and he acts a bit nuts when I put them on. But he never minds the oil. In case anyone in your family suffers from any respiratory diseases or allergy, it’s better to stick with essential oils. I’ve also heard scented candles can be the greatest source of indoor pollution, so it’s best to avoid them.


It’s a matter of taste which of the diffusers described you should obtain. We are positive that this investment won’t be idle on the shelf. Today even the most skeptical people (the doctors) agree that we develop most diseases due to stress. A diffuser will help transform your personal space into a paradise, similar to nature in terms of moisture and flavor, where you can retreat and relax.

Finally let us remind you that the general rule for the use of any oil diffuser is to use only quality oils and distilled water to prolong the life of your acquisition. And, of course, do take care of the device: remove the remnants of an aromatic oil in time with liquid detergent or alcohol-containing solution.

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