Admittedly, I'm a bit obsessed with anything that smells good and makes my space feel like a zen yoga studio. I spend more-than-acceptable amounts when my favorite brand of candles has their bi-annual sale, and I've been known to set off the smoke detector with incense. That being said, my one true vice is essential oils and the machines that adequately dispense them. If you're in the market for the best aromatherapy diffusers and humidifiers, you've come to the right place.
First thing's first: Humidifiers versus diffusers — is there a difference, and if so, what is it? The simplest way to explain it is that almost all diffusers are humidifiers, but not all humidifiers are diffusers. In other words, some machines (humidifiers) release moisture into the air, but their internal mechanisms can't handle the addition of essential oils. The best aromatherapy diffusers, on the other hand, can. Most also use water as their main vehicle for dispersing oils into the air, thus also hydrating your space in the process.
As a result, your home smells awesome, your air is easier to breathe in, your skin is happier, and your mood might even brighten a little bit. If you're loving the sound of all that, it's probably time to find a solid diffuser that suits your lifestyle. Here are eight of the best available right now.
1. Top Pick: Victsing Mini Ultrasonic Essential Oil Diffuser
If you're in the market for your first diffuser and want something that's equal parts stylish and practical, the Victsing diffuser is a great one. It has all the most popular features, like seven LED color options, three pre-set timer functions, two brightness modes, and 15 mood lighting options. It's made entirely from BPA-free materials with a classy wood-grain finish, and the ultrasonic mist is cool, quiet, and can last up to six hours on one fill. When it runs out, it'll turn off automatically for your safety.
Glowing Review: "I'm in love with this little thing! It's super quiet, so I am able to have one on my desk for when I study and one next to my bed for when I sleep. The design is visually appealing to me as well. The steam is cold and offers a refreshing feeling when combined with essential oils. It is about the size of a large grapefruit, which I find to be a great since I can put it anywhere I am. Granted, that's not necessary since one is enough to fill my entire living room (~ 250 square feet) with scent with just 5-7 drops of essential oil."
2. Budget-Friendly: InnoGear Essential Oil Diffuser
With over 13,000 reviews and a 4.3-star rating, the InnoGear essential oil diffuser is easily the most popular unit on Amazon. It's also one of the most affordable. According to reviewers, it "puts out a strong, thick mist [that] lasts a whole day," all thanks to its whisper-quiet ultrasonic operation. It also has seven different colors of LED mood lights that you can opt to filter through or set on one in particular. On continuous mist mode, it'll last you up to nine hours on one refill, and on intermittent mode, you'll have fresh, hydrated air for up to 11. The best part? It's $15.
Glowing Review: "This diffuser is amazing. Easy to control color/water output, small and compact, easy to clean, and outright beautiful. It's great for my apartment; I can finally cover up the totally-not-pot smell that the previous tenant so graciously left me. It's also great for setting up a romantic environment when the significant other comes over."
3. For Air Purification: PureGlow Crystal Himalayan Salt Diffuser
Diffusers are trending right now. So are Himalayan salt lamps. Combine them into one genius unit, and you've got the ultimate relaxation duo. The PureGlow Crystal has a 160-milliliter water tank filled with real, hand-crafted Himalayan salt crystals. The diffuser releases your favorite essential oils into the air in the form of a cool mist, while the salt rocks create negative ions that purify your space of allergens, pollutants, and bacteria. There's even a built-in light with five levels of brightness, and all the touch-activated features can be used separately or together depending on your needs.
Glowing Review: "I love this thing! I bought it for the salt lamp but fell in love with the diffuser. You can use both at the same time or either one separately. It makes no noise and the diffuser shuts off when the water for the diffuser runs out. It is compact and a great value for the product. I use it everyday!"
4. Travel-Friendly: Syntus USB Car Essential Oil Diffuser
Don't wait until you get home to unwind a little. If you spend most of your time working or commuting, the Syntus portable diffuser can turn your car or desk into an oasis. Not only does it have a spill-resistant and compact design that easily fits in cup holders and tight spaces, but it's totally powered via USB. That means you can plug it into your laptop or car charger to hydrate the air and get the benefits of aromatherapy wherever you happen to be. It even has two misting modes and seven color-changing light options.
Glowing Review: "[...] I’ve been using this in my car for about 3 weeks and absolutely love it! My kids have really stunk up my SUV in the last couple of years and I often feel embarrassed when anyone opens the doors. But now I can go through the car line drop off without the teachers running away or holding their breath when they open the door to hurry my kids out. And best of all, I get compliments on the way it smells! Win! I highly recommend it!"
5. High-End Pick: iHeoco Ceramic Stone Diffuser
For those in the market for a quality diffuser that doubles as a sleek and elegant statement piece, there's the iHeoco stone diffuser. It's one of the best luxury options on the market because it's hand-crafted from porcelain and diffuses scents up to 540 square feet. It's available in both black or white ceramic, and it has an optional light feature as well as a 120-milliliter tank.
Glowing Review: "Love the design of this diffuser. So simple and chic. Feels like it adds design to my home, rather than take away."
6. Remote Controlled: Odoga Aromatherapy Essential Oil Diffuser
For the candle-lover in your life — and maybe that's you — there's the Odoga aromatherapy diffuser. Its warm light, flickering glow, and intricate iron encasing make it look like there's a real flame inside, but it's actually a safe and convenient way to add essential oils to your space. The 100-milliliter tank can run for a few hours, and it even comes with a remote control so you can easily set your preferred brightness levels and mist modes.
Glowing Review: "Absolutely love this diffuser. The best part is that you can remove the inner cup and take it to the sink to refill it without having to unplug the unit and pick up the whole unit to refill it. It is also super pretty and I love the remote. Can have lights or no lights or flickering lights - which is my favorite. No complaints."
7. Alarm Clock/Speaker: ArtNaturals Four-In-One Essential Oil Diffuser
Looking for a diffuser to help you sleep at night? This one from ArtNaturals belongs on your bedside table. In addition to its cool mist humidifier with essential oil capabilities, it also has a built-in alarm clock, LED night light, and Bluetooth speaker. That way, you can lull yourself to sleep with lavender, a gentle glow, and your favorite playlist, and wake up on time and on the right side of the bed.
Glowing Review: "[...] I leave my diffuser on all day and it runs even more then 10 hours and turns off automatic so I never have to worry .. now if I can get someone to be there to fill it up I will be set [...]"
8. For Your Desk: GuruNanda Natural Mist USB Plug Diffuser
The GuruNanda Natural Mist diffuser doesn't use water or heat — in fact, it doesn't even have a cord. Instead, you simply remove the dripper insert from your essential oil bottle and screw it directly onto the diffuser. Then you plug it directly into any USB port or use the included wall adapter. When you press the button once, the light will turn to blue, indicating that your unit will release a burst of pure, undiluted essential oils every ten minutes. Press it again, and it'll disperse oils in 20-minute intervals. Reviewers say it's a great alternative to air fresheners filled with harmful chemicals, and they're pleased with "how lovely [their] home smells simply by adding a bottle of essential oil."
Glowing Review: "I have a bulky diffuser and I wanted to try this. This little item ROCKS! It does a great job and I don't have to refill it every night!"
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