Best Aromatherapy Diffusers of 2018 Complete Reviews with Comparisons

Best Aromatherapy Diffusers of 2018: Complete Reviews with Comparisons

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As well as smelling really good, aromatherapy can be very beneficial to you and your family’s well-being.

Whether it be lavender to help you relax after a hard day’s work or orange to start the day off right and make you feel more energized and happy in the mornings, you can use an aromatherapy diffuser to help create your chosen mood for your space.

These days, there is no need for old-fashioned and somewhat dangerous oil burners or scented candles.

The best aromatherapy diffuser will allow you to give your property a pleasant aroma as well as good humidity levels in a more child- and pet-friendly way.

With all those benefits, we took a look at five aromatherapy diffusers on the market to help you choose the right one for you.

URPOWER 2nd Version Essential Oil Diffuser,Aroma Essential Oil Cool Mist Humidifier with Adjustable Mist Mode,Waterless Auto Shut-off and 7 Color LED Lights Changing for Home Office Baby

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

ArtNaturals Aromatherapy Essential Oil and Diffuser Gift Set – (150ml Tank & Top 8 Oils) – Peppermint, Tee Tree, Lavender & Eucalyptus – Auto Shut-off and 7 Color LED Lights – Therapeutic Grade

Pure Enrichment PureSpa Essential Oil Diffuser – Compact Air Deodorizer with 100ml Water Tank, Mood-Boosting Ionizer and Optional Color-Changing Light – Lasts Up to 7 Hours with Auto Safety Shut-Off

ASAKUKI 500ml Premium, Essential Oil Diffuser, 5 In 1 Ultrasonic Aromatherapy Fragrant Oil Vaporizer Humidifier, Timer and Auto-Off Safety Switch, 7 LED Light Colors

Best Aromatherapy Diffuser Reviews

1. URPOWER Essential Oil Cool Mist Humidifier

This second generation diffuser from URPOWER is simplicity combined with practicality and can be used worry-free in all smaller rooms.

Product Highlights

This compact diffuser holds 100ml of water which diffuses scents into your room for up to six hours, making it perfect for a great night’s sleep. It really is not bigger than your mobile phone, so it’s amazing that it can operate that long for how small it is and can fit easily on your nightstand. Like all our choices here, it is a cool mist humidifier which means it’s completely safe to use anywhere in the home including your children’s bedroom or nursery.

The two settings it offers are great as you can either set it on continuous mode to scent a room quickly before shutting it off or have it on a 30-second intermittent setting which will keep your room scented and increase humidity for full six hours. This diffuser also has seven different mood-setting lights which can be set to bright or dim so that you can double it up as a night light for the children’s bedroom.

The diffuser has an auto shut-off function that is activated when it runs out of water, so it is entirely safe. It is also very simple to operate since just by lifting off the cover, filling it up with water and a couple of drops of your favorite oil, putting the cover back on, and pressing the button will allow the device to work.

What's to like about the URPOWER Essential Oil Cool Mist Humidifier

We love the fact that this diffuser has an intermittent setting as some essential oils are stronger than others and they can be too intense when left on continuously in a small space such as a bedroom, bathroom, or office. Its compact size is also great as it means you can literally have it anywhere in your home.

What's not to like about the URPOWER Essential Oil Cool Mist Humidifier

Being so small does limit this humidifier’s use in larger areas of your home as it’s just not big or powerful enough to noticeably scent open and/or larger spaces.


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    Compact and portable
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    Multiple settings
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    Safe to use


  • Too small for larger rooms

2. VicTsing Cool Mist Humidifier

This stylish diffuser from VicTsing is extremely versatile due to the large number of adjustable settings it offers. Providing you have space for it, it is a quality diffuser that will scent a room very quickly if needed.

Product Highlights

This cool mist diffuser holds 300ml of water and is great for scenting and humidifying any room in the home, including larger spaces. Having two different mist settings is fantastic as it means you can use it in smaller rooms on a lower setting and then turn it up to the high setting for larger rooms.

Being nearly 17cm wide, t is quite large, so you need to consider whether you have the space for it in your home or not. Nonetheless, it is a very stylish device and available in five different colors to suit your taste.

While it offers seven different light options, the lights are very dim since the light only emits through a band in the middle section as well as in a small point at the top where the mist comes out. It also has four different time settings so that you can set it to one, three, or six hours which is perfect if you just want to scent your room for a certain time of your choice, making it ideal for a yoga studio or office. It also as a waterless auto shut-off function for safety and is really easy to use by just lifting of the lid, filling it up, and placing the lid back.

What's to like about the VicTsing Cool Mist Humidifier

We love the variety of settings on this diffuser, especially the mist intensity option which allows the diffuser to be used in different room sizes without being overpowering in smaller rooms. If you just want to add scent quickly into a room, then you can just turn it onto high intensity for one hour and move it from room to room to spread the smell throughout your home.

What's not to like about the VicTsing Cool Mist Humidifier

Its size can mean it has limited use in certain areas of the home, especially if you don’t have space for it. At 17cm wide, you really need to make quite a bit of room for it on your sideboard or table, or you may not have anywhere at all to put it in your bathroom or nursery.


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    Multiple time and intensity settings
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    Five colors to choose from
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    45 days money-back guarantee


  • Too large for an averagely sized nightstand

3. ArtNaturals Diffuser Gift Set

This diffuser from ArtNaturals is all you need to start using aromatherapy in your home since it comes with the eight top-selling essential oils.

Product Highlights

Coming packaged with eight different essential oils makes this a perfect gift as you can start using it right away. Along with the essential oils, ArtNaturals also provides a handy book that tells you about the benefits of each oil, as well as recipes of blends that you can make to help create certain moods in your home. Although customers have complained that these oils aren’t very high quality, as a starter pack, they serve a purpose and allow you to work out which ones you like.

The device holds 150ml of water and is relatively compact so it can be accommodated in smaller rooms such as the bedroom or children’s nursery but may be slightly too large to fit on some nightstands. It is nice to look at and comes with seven different color light options, so it can double as a nightlight using one chosen color or alternating through all seven.

This diffuser has three timer settings of one hour, three hours, or continuous use which is handy as you can set it on a particular time setting that suits you and will reduce wastage if you were to leave it on and then leave the house. If you do leave it on continuous mode, it has an auto shut-off function and along with its cool mist technology, makes this a safe choice for your home.

What's to like about the ArtNaturals Diffuser Gift Set

We love the fact that this is provided as a ready-to-use kit. It makes a superb gift for friends and family to introduce aromatherapy into their home. The recipe and instruction book that come with the oils compliment this purpose perfectly.

What's not to like about the ArtNaturals Diffuser Gift Set

It is quite a large diffuser considering it only holds 150ml of water. We feel that other models do a similar job while not taking up quite as much space on your nightstand.


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    Complete set
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    Multiple light and timer settings
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    Safe to use


  • Small water tank for its size

4. PureSpa Essential Oil Diffuser

This simple diffuser from PureSpa also acts as a humidifier and ionizer in just one click.

Product Highlights

This product from PureSpa acts as an aromatherapy diffuser, humidifier, and ionizer for your home. Ionizers help purify the air in your home by shooting out negative ions.

This device is extremely simple to operate with just one button that can diffuse scents into your home, with or without the light function. It has five light settings available, creating a soft night glow and can run for up to seven hours, so it is perfect for a great night’s sleep.

While being extremely straightforward to use, it is limited in the fact that you only have on or off buttons. That means there are no timer and mist intensity setting options, so you either have to manually switch it off or let it run dry so that the auto shut-off function kicks in.

It is super lightweight and compact though, so it is easy to move around from room to room and will fit neatly on even a small bedside table. For complete peace of mind, this product also offers a two-year warranty which is longer than any other product in this list.

What's to like about the PureSpa Essential Oil Diffuser

We love the fact that with this device, you get three functions! You get real value for money with one unit to diffuse, humidify, and ionize to help improve the air quality in your space.

Its compact size makes it perfect for smaller rooms, and we love the fact that it is really light so that you can easily move it to the bathroom to diffuse in there for an hour while you bath and then you can move it back to the bedroom or study when you want to relax.

What's not to like about the PureSpa Essential Oil Diffuser

The fact that you can’t adjust the mist setting or put it on a timer is quite frustrating as most other diffusers do offer these features. On the other hand, it does make it very simple to operate, but we’d definitely prefer another button that could provide a little bit more control over the settings.


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    Very simple to use
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    Risk-free purchase


  • No adjustable settings

5. ASAKUKI Premium Essential Oil Diffuser

Our last diffuser comes from ASAKUKI, a company that produces elegantly designed household products to support healthy family life. This diffuser is one of their premium products.

Product Highlights

The last diffuser we looked at has the highest water capacity but surprisingly is only the second largest when it comes to how much space it takes up (just over 16cm). Holding up to 500ml of water, it can diffuse and humidify for up to 16 hours on its low mist setting so that you can enjoy aromatherapy scents throughout your home all day.

The size of the device does mean that it’s not ideal to be moved around a lot but is the perfect choice to scent a large room or space where your family spends a lot of their time such as the kitchen or living room. The majority of the diffuser also lights up, making it a fantastic mood lighter. Adding more to that ambiance are settings to control the brightness and seven LED light colors.

The adjustable settings it offers doesn’t just stop at the lights either. You can choose whether you want the mist intensity to be low or high and you can also set the timer, which makes it versatile.

If you have it on a higher mist setting, then you can just set the time for one hour to rid your house of unwanted smells. You can also choose the lower mist setting and have it on continuous mode if you are at home all day or want it to work all night. This diffuser also boasts being very energy efficient as it uses a low-voltage current.

What's to like about the ASAKUKI Premium Essential Oil Diffuser

Our favorite thing about this product is the design. The fact that the light covers the entire top makes it a really attractive diffuser to have in your home, and the fact that you can choose which color light you have on can really help set the mood and ambiance in your home for the evening.

Another great thing about this product is its six-month money-back guarantee, reassuring you that ASAKUKI is very confident in their product. If you’re not happy with the device, then you have the money-back guarantee for the first six months, and then after that, the product is still covered under warranty for up to one year after purchase.

What's not to like about the ASAKUKI Premium Essential Oil Diffuser

We don’t like the fact that this product is so big. If you have smaller rooms in your house that you wanted to diffuse scents into, then this product probably isn’t suitable. Although you can reduce the mist intensity, the product will simply be too large to fit on most smaller nightstands.


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    Large water tank
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    Energy efficient
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    Risk-free purchase
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    Adjustable timer and mist intensity setting
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    Free water jug


  • Not very portable


There are many things that you should consider when buying a diffuser for your home. Here, we’ve listed the most important things so that you know what to look for when making your choice for the best aromatherapy diffuser for you.

Types of Aromatherapy Diffusers

There are four main types of aromatherapy diffusers on the market, and they are:

  • Evaporative diffusers which work by process of evaporation.
  • Heat diffusers that use candles to heat and disperse your essential oils through your home.
  • Ultrasonic diffusers, such as those featured here, are those that use water and ultrasonic technology to produce a cool mist which humidifies and diffuses at the same time.
  • Nebulizing diffusers are those that do not require heat or water but instead use pressurized air to diffuse the aromatherapy oils.


This may not matter much to some people, but for others, the appearance of the diffuser will be relatively significant. Just like any addition you make to your home, whether it be a picture frame or fruit bowl, you will be the one looking at it for the next few years, so it’s nice to have a diffuser in your home that pleases your eye.

Noise Factor

You will find that some aromatherapy diffusers are louder than others. This can prove to be rather distracting, especially if you are trying to sleep, read, meditate, or practice yoga. If the diffuser doesn’t explicitly say that it is super quiet, then try reading some of the customer reviews to see if anyone has commented on the volume of the diffuser when it’s working on its maximum setting.


If you want to use your aromatherapy diffuser around the house, then consider how portable it is. Some are designed specifically for travel and can be moved around easier than others that need to be plugged in and therefore kept near a power source. Also, larger diffusers will be more awkward to carry around from room to room, especially if the water reservoir is filled.


Ultrasonic diffusers are far safer to use in your home, especially if you have pets or children. The ones that we chose to feature here all operate with cool mist, so there is no chance of anyone getting burned.

Area of Diffusion

It’s important to consider where you want to use the diffuser. How big is the room or space that want to diffuse scents into?

Aromatherapy diffusers come in a variety of different sizes. Some will be compact and have a small water reservoir so they will be suitable for smaller rooms. Some will be larger with the ability to hold much more water, and of course, you can find models fitting everywhere between the two.

Aromatherapy Diffuser FAQs

How does a diffuser work?

Diffusers work by dispersing essential oils into the air to be absorbed into the body and to create pleasant scents in a room.

How to use aromatherapy diffuser?

It’s very simple to use aromatherapy diffusers. You just take their lid off and fill up the water tank. Just follow the directions provided by the manufacturer as to how many drops of water to add to the tank (usually two to three drops per 100ml) and then put the lid back on and press the start button.

What is an aromatherapy diffuser?

An aromatherapy diffuser disperses essential oils into the air so that their aroma and therapeutic benefits fill a room.

Are diffusers safe?

They are safe to use. Just be sure to look out for ultrasonic, cool mist humidifiers as they are safer than those that produce a hot mist. Also, choose one that has an automatic shut-off function that kicks in when the water tank is empty.

Is a diffuser a humidifier?

Ultrasonic diffusers can be used as humidifiers as they use water to disperse the oils into the air but generally speaking, humidifiers will create more humidity in a room than an aromatherapy diffuser.


All the diffusers featured here are really great products but what makes the best aromatherapy diffuser for one person might not be the right fit for another. That said, our personal favorite is the premium essential oil diffuser from ASAKUKI. It really is a beautiful device, and the colored lights are a great feature to have in your home in the evening.

With full control over the mist and timer settings, you can disperse essential oils throughout your home on one tank of water and not have to worry about refilling it until you’ve been using it for up to 16 hours. Also, the fact that this product comes with a full-year warranty as well a six-month money-back guarantee just proves that the manufacturer has complete confidence that you will love their product and they have faith that their diffuser will last a long time, making it well worth the money.

For smaller rooms and for those on more of a budget then we highly recommend the URPOWER essential oil diffuser. This is definitely the best aromatherapy diffuser for a nursery or small office space. It’s really compact and portable and has an intermittent setting which is perfect to scent a room for long periods of time without being too overpowering.Aromatherapy Diffuser

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