Best essential oil diffuser: 7 top buys for perfectly pure, fragranced air

The best essential oil diffuser will scent your home with the natural fragrance of essential oils and humidify and purify the air around you

The best essential oil diffusers: Ellia Blossom diffuser
(Image credit: Ellia)

The best essential oil diffuser will surprise you with all the different things it can do. Not only are essential oil diffusers great at scenting and humidifying the air in a room, but they can also double up as home decorations, alarm clocks, and even night lamps for children's bedrooms. 

When you've found the perfect oil diffuser, head to our best home air fresheners buyer's guide for more ways to make your house smell lovely. For more home freshening advice, buys, hacks and finds, go to our cleaning hub page.

What is the best essential oil diffuser to buy?

We think the best essential oil diffuser you can buy is the Ellia Aspire Ultrasonic Essential Oil Diffuser. However, we are aware that it's not within everyone's price range. So if you're after something less pricey but equally as cheerful, opt for the VicTsing Aroma Diffuser.

The best essential oil diffusers

Best essential oil diffuser you can buy: Ellia Aspire Ultrasonic Essential Oil Diffuser

1. Ellia Aspire Ultrasonic Essential Oil Diffuser

Best essential oil diffuser you can buy: with sound, lights and scent, this good-looking diffuser is aspirational for sure

Specifications
Best for: Long periods
Dimensions: H25cm x W20cm x D28cm
Time on: 10 hours continuous, 20 hours intermittent
Material: Glass and wood
Reasons to buy
+Set for up to 20 hours+Looks good
Reasons to avoid
-Pricey

The best of the best, this essential oil diffuser is packed with extra features.

Fine mist
This ultrasonic diffuser uses micro-vibrations to diffuse oil into a fine mist, ensuring light and even scent dispersal with no heat source whatsoever.

Extra sensory features
A multi-sensory option, it also boasts a colour-changing mood light, and adds peaceful sounds into the bargain for an all-in-one spa experience. All of this can be customised from your smartphone using the buddy app, so you don’t even have to get up from your sofa. 

Great design
This is pretty enough to leave out as a home decor piece; the simple glass and wood design looks elegant even while dormant.

Long working time
Can be left on for up to 20 hours.

Shop more Ellia products at Amazon

Best essential oil diffuser for night time use: VicTsing Aroma Diffuser

2. VicTsing Aroma Diffuser

Best essential oil diffuser for night time use: drift off with this peace-of-mind-boosting diffuser

Specifications
Best for: Bedtime
Dimensions: H17.1cm x W17.1cm x D15.3cm
Time on: 10 hours
Material: Plastic, wood grain coating
Reasons to buy
+Safety functions ideal for overnight use+Affordable+Available in different colours+BPA free
Reasons to avoid
-None!

Another ultrasonic option, the VicTsing Aroma Diffuser is quiet and heat free, making it our best aroma diffuser for sleep. 

Choice of timed settings
You can set this diffuser for one hour, or the whole night on a conitnuous, waterless auto-off setting, which means you can drift off without worrying.

Versatile design
The natural wood look will fit into most decorating schemes, although there is also a black option.

Discreet LED
The LED lighting in this is in a strip format, so is very discreet and won't interfere with relaxation or sleep.

Browse more VicTsing products at Amazon

Best essential oil diffuser for versatility: Esteban Timer Edition Ultrasonic Electric Diffuser

3. Esteban Timer Edition Ultrasonic Electric Diffuser

Best essential oil diffuser for versatility: an alarm and diffuser in one means you can wake to a waft of beautiful scent

Specifications
Best for: Multiple uses
Dimensions: H16.5cm x W13.5cm x D13.5cm
Time on: 5-7 hours
Material: Plastic
Reasons to buy
+Diffuser and alarm in one+Different colour lights
Reasons to avoid
-Not the best looking

This Esteban electronic aromatherapy diffuser doubles up as an alarm clock, so it rivals the VicTsing diffuser as our best bedside option. 

A two-in-one product
If you’re short on space, or simply want something that’ll earn its footprint by waking you up as well as sending you off to sleep, this is a good option.

Wake up mode
Want to be woken up with lovely fragrance? You can preset it to come on in the morning.

Glow mode
The top of this device has a lovely LED glow to it, useful as a gentle alternative to traditional alarm clocks

What to watch for

This isn't cheap, so only buy if you will use the extra features.

Shop more essential oil diffusers at John Lewis & Partners

Best high-quality essential oil diffuser: Ellia Blossom Diffuser

4. Ellia Blossom Diffuser

Best high-quality essential oil diffuser: with premium materials and a handsome design, this Ellia diffuser looks good on or off

Specifications
Best for: High quality
Dimensions: H19cm x W21.5cm x D13cm
Time on: 6 hours
Material: Ceramic, wood
Reasons to buy
+High-end design+Compact+Auto shut off
Reasons to avoid
-None!

Easily the most elegant diffuser on our list, this Ellia model is as functional as it is pretty.

Beautiful ceramic design
This Ellia offering could easily pass as a vase or objet d’art with its simple ceramic pottery and wood design. Perfect for a bedroom or hallway.

Gentle mist
It gives off a fine mist for soothing, non-intrusive alleviation of dry eyes and tickly coughs. 

Essential oils included
It comes complete with a starter kit of sweet orange oil and peppermint oil, the former said to boast cleansing and uplifting properties, while the latter is cooling and refreshing in the face of overheating and congestion, so you can get started straight away and let the aromatherapy do its thing. 

Shop more oil diffusers at HQ Hair

best air purifying oil diffuser: Asakuki premium 5-in-1 diffuser

(Image credit: Amazon)

5. Asakuki 5 In 1 Ultrasonic Diffuser

Best air purifying essential oil diffuser

Specifications
Best for: Air purification
Dimensions: H16.8 x W16.8 x D12.1 cm
Time on: 16 hours
Material: Plastic
Reasons to buy
+Very easy to operate+Air purifying mode+BPA free
Reasons to avoid
-Won't smell as strong as some others

Don't get on with essential oils? The Asakuki diffuser is for you: use it without any oils for a relaxing air purifying experience.

Works as a purifier and ar humidifier
If you suffer from dry skin or allergies, this is a great product. Its fine mist will noticeably purify the air and get rid of unpleasant odours at home.

Very pretty LED
The whole device glows in a choice of five pretty colours.

Low noise
This makes hardly any noise, with users comparing what noise it does produce to the gentle trickling of a water feature. This makes it suitable for nighttime use.

What to watch for
Some users do report that the instructions the product comes with are not the clearest, so it may take you a little while to figure out how to put it together. 

Shop more Anjou products at Amazon

The best quiet essential oil diffuser: Anjou essential oil diffuser

(Image credit: Amazon)

6. Anjou Essential Oil Diffuser

The best quiet essential oil diffuser

Specifications
Best for: Use in the bedroom/home office
Dimensions: 57cm across, 24cm height
Time on: 12 hours
Material: Plastic and wood
Reasons to buy
+Continuous diffusion for 12 hours+Super quiet
Reasons to avoid
-None!

One of the first essential oil diffusers ever made, The Anjou is still as good as ever. Use it in the bedroom or your home office for best results.

Ultra quiet

This is one of the quietest models on our list, producing no more than 30dB of noise. This makes the ideal companion to study or sleep.

Two mist modes

Low and high mist modes allow for a strong output, or a whisper-thin mist (which we think is very pretty). 

Very economical

This diffuser will continue to fragrance your room for 12 hours with just 30 to 40 drops of essential oil. 

 

best diffuser for a kid's room: RPJC oil diffuser

(Image credit: Amazon)

7. RPJC oil diffuser

Best oil diffuser for a kid's room

Specifications
Best for: Kids' bedrooms
Dimensions: 14 x 14 x 19 cm
Time on: 8-8.5 hours
Material: BPA-free plastic and metal
Reasons to buy
+Pretty design, can be used as a night light+Super-fine oil dispersal+Quiet
Reasons to avoid
-Only one setting

Whether you're using an essential oil to help ease a child's cold, or if you're humidifying a kid's bedroom to help combat dry air, this pretty little number will do the trick.

Super fine oil dispersal

The ceramic filter and ultrasonic technology in this oil diffuser ensure that the diffused mist is super fine, which makes for a better distribution of essential oils through the air. 

Pretty design

This oil diffuser has a mesmerising design that doubles up as a night light – ideal to help younger children drift off – and you can choose from a range of pretty LED light-up colours too.

Easy to operate and quiet

Easy-use buttons feature at the front and the automatic shut-off function makes it really safe to use. It's also virtually undetectable to the ear while on. Bliss.

How to buy the best essential oil diffuser

A far cry from plug-in air fresheners which can be bulky, plasticky and unsightly, these standalone diffusers are all designed with aesthetics as well as functionality in mind. Curvy shapes and premium materials are the order of the day, no matter where you’re planning on putting your diffuser, although if you’re thinking of using your diffuser every night, consider one like the Esteban Timer Edition Ultrasonic Electric Diffuser, which doubles up as a clock to really earn its place at the bedside.

Dimensions

We've listed the dimensions of each product, so that if you're after something to hide away behind a book, you can picture its size. 

Time on

We've also noted the amount of hours the machine will work for before turning off; our longest are the first two picks at 10 hours.

Material

Last but not least, we've listed the material of the reed diffuser whether it's plastic, wood or ceramic. Several of our plastic options are BPA free too.

More ways to make your home smell great