Essential Oil Diffusers: My Honest Review

It’s almost cosy season! And with the holidays just around the corner, it’s time to start thinking about your gift list. 

With many of the shops being closed, the risk of lockdowns ever-looming, and COVID-19 variants Grinch-ing up the joint, many are turning to online stores to get their holiday shopping done. But when holiday shopping online, it’s important to start early so your gifts all arrive on time.

At Sleepbo, we are obsessed with all things comfy and cosy. We spend all our time researching tips, tricks, and products to ensure you and your loved ones get the best night’s sleep possible. 

So, without further ado, we’d like to introduce our holiday blog series: Honest Reviews. 

Our team researched this year’s most popular cosy gift items and wrote their honest opinions on them so you can make smart purchases from reliable companies this holiday season.

Essential Oil Diffusers: My Honest Review

Chestnuts roasting on an open fire, gingerbread cookies, freshly lit candles. These are just a few of my favourite holiday scents!

Many people underestimate the power of scent but in fact, scent is the strongest of all our senses. It’s been shown to impact mood, and it is responsible for an estimated 75% of our emotions every single day!

That’s part of the reason why I love candles and other scented products, but unfortunately, my boyfriend doesn’t feel the same. He’s super sensitive to artificial smells and since being with him, I’ve learned the dangers associated with them. 

Did you know artificial fragrances like candles can cause respiratory disease and infection, asthma attacks, and even cancer? Neither did I!

So when we moved in together this year, I threw all my non-decorative candles and air fresheners into the bin. It was difficult to let go of my delicious scents, but I knew it was the right thing to do for my health and for the planet.

After about a year of working as a Sustainable Product Researcher for Sleepbo, I’ve researched countless health and wellness comfort products that claim to have health benefits. None have interested me more than essential oil diffusers

So when my manager asked me to test out some of the season’s most popular sustainability-focussed gift items as a part of this series, I knew immediately that I had to get my boyfriend to try one!

What's the hype about?

  1. 100% natural, non-toxic and chemical-free. Diffusers use naturally derived and safe oils to fill your home with a gentle aroma. That means no respiratory infections, asthma attacks, or carcinogens!
  2. Less waste. Candles, air fresheners, and other scented products are single-use and are often packaged with plastics that harm the environment in a landfill.
  3. Amazing health benefits. Each essential oil has unique properties that can benefit respiratory health and mental wellbeing! Talk about scents with benefits!
  4. Wonderful, customisable scents. The nature of diffusers allows you to adjust the scent they give off more than any traditional scented product.
  5. Environmentally friendly. Diffusers release absolutely no VOCs–the harmful chemicals given off by candles–so you can minimize the harm you’re doing to the air quality around you.   

I definitely understand why everyone is so obsessed with these diffusers but the next question I had was: which brand to buy from?

Choosing kalmkoala

After hours of research, I made the decision to buy my diffuser from a great brand called kalmkoala. I chose them for a few pretty important reasons.

  • They are UK-based. Any tree-hugger like me knows that shopping local is almost always better for the planet. 
  • Impressive features. I love the customisable run-time on their diffuser and the variety of oils they offer.
  • Affordable luxury. Full disclosure, I get reimbursed by Sleepbo for everything I buy for work, but I chose this brand because they were having a really great sale.
  • Gorgeous, modern design. This diffuser is one of the most beautiful designs I’ve seen. It looks like a decor piece, so I really love how seamlessly it fits into my home.
  • Amazing reviews. Kalmkoala’s customers had so many positive things to say about their products, I knew I was making a safe decision. Here are just a few of their happy customers:

Reviews of the Kalm Diffuser

"My son has always had anxiety at bedtime and he often takes hours to fall asleep. I bought the Kalm diffuser and used the Tranquillity blend and he falls asleep almost straight away!"
Tammy W.
"I bought 3 diffusers, one for my bedroom, home office, and living room. In my bedroom, I use the Tranquillity oil, in my office I use Energy, and in the living room I sometimes use Refreshing and other times I use Calm. They all smell amazing and the smells don’t clash, so I feel like I’m living in a spa. Its so lovely and I noticed a huge difference in my family’s mood. When guests come through the door, the first thing they say is “whats that amazing smell?” I love my diffuser!"
Leigh Anne K.
"I stopped using candles in 2018 because of a respiratory infection and the doctor said chemical scents would make it worse, but man I missed my delicious smells. When I saw an ad for the kalm diffuser, I made the decision to go for it and I’ve never looked back! Diffusers use all-natural scents that are actually good for your lungs, mind, and well-being."
Delaney P.

Bonus: kalmkoala offers a 30-night guarantee AND free next day UK delivery. So they make it really easy to shop with them, stress-free!

And at the time of writing this review, Kalmkoala had 30% off site-wide, plus an additional £10 off with voucher: TRANQUIL10. 

First Impressions - 5/5

These workers at kalmkoala deserve an award for how quickly they packed and dispatched my package. I got it the next day! I couldn’t believe how quickly it came. 

I wanted to surprise my boyfriend with an early Christmas gift (and wanted to convince him to take some corny photos with me for this article), so I wrapped it up right away and put it under our tree. 

When he came home from work, I surprised him and told him to open it. He was a good sport (see that cheeky grin!) and played along for me.

But, once we opened the package, we were both pretty shocked at how high quality the craftsmanship was. It looks and feels like a really high-end luxury product! I can’t believe I only paid £59!

We plugged it in and filled the reservoir as instructed. We decided to try the Energy blend first and all I can say is: Wow! 

This thing smells amazing! It fills the whole room with this wonderful, calming fragrance that instantly makes you feel uplifted.

What’s even better is that my boyfriend didn’t find it irritating at all! In fact, he mentioned the scent made him feel relaxed and happy. I was so impressed, right off the bat.

Daily Use - 4.5/5

We decided to try to keep the diffuser in the living room/office space, to get a better sense of how it would work for improving focus and general mood.

Let me just say, I adored having lovely aromas in the house again! You don’t realize how much scent can totally change the atmosphere of your living environment until you come home and take a deep breath of fresh, amazingly scented air. And it makes it so much better that it’s non-toxic!

One thing I will say is that I wish there wasn’t a little light ring on them. It’s making me hesitant to try it in my bedroom as I’m an incredibly light sleeper and I’m worried the light will disturb me. My boyfriend, on the other hand, loves the light and thinks it adds to the atmosphere. Opposites attract, I guess!

After about a month of use, I purchased 2 more diffusers and a bunch of extra oils. I want to try the Eucalyptus single oil in the bathroom, and my boyfriend wants to try the Calm blend in our bedroom. The packages are on their way now and I can’t wait to get them!

Final Results - 5/5

Here are just a few of the benefits I’ve noticed from using this diffuser for almost a month.

  1. More energy and focus. The oil blends for mental clarity (Energy and Refreshing) really do make me more productive at work!
  2. Amazing scents without the sacrifice. My scent-sensitive boyfriend loves it almost more than I do! 
  3. Uplifted and happy. I feel less irritated and more joyful while working from home. 

Conclusion - 5/5

It’s been a real blessing to find this diffuser. And because it’s such a customisable product, I think anyone on your list would love it as a gift! 

Just look at this long list of benefits:

  • Eco-friendly
  • Non-toxic and chemical-free
  • 100% naturally derived scents
  • Helps improve sleep quality, mood, and mental clarity 
  • Classic design comes in two modern neutral colours
  • Free NEXT DAY delivery & 30-day trial
  • UK-based brand
  • Luxury quality at a discounted price

Truly, this diffuser completely transformed my home atmosphere for the better! Try it for yourself and I swear, you’ll never go back to candles again

Remember, at the time of writing this, kalmkoala was having a massive sale with almost everything on the site discounted for the holidays. To top it all off, their holiday voucher code gives you an additional £10 off your order!

Other Trending kalmkoala gift items

If you’re planning on buying a kalmkoala Diffuser for Christmas this year, check out some other popular gift items from their site that my colleagues and I reviewed as a part of this series. 

*I reviewed this too and if you’re shopping for sustainable and natural gifts, you NEED to check it out!

You could cross multiple people off your list in one virtual stop. And the sooner you get your shopping done, the sooner you can take a deep breath of deliciously scented air and relax for the holidays.

Chloe Wright

Chloe Wright

Chloe is a Sustainable Product Researcher here at Sleepbo. She loves gardening and spending time in nature.