Best Car Diffusers 2019

Our mission is to make decisions easy and too many options can be as bad as too few, so we spend our time researching until we can narrow the field to a well-curated set of great choices.


273 Initial options

14 Expert opinions

7,380 Customer reviews

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Our Rating 95%
  • Very well made, with strong and solid metal
  • Clip well onto car vents
  • Come with extra pads which can be used for different oils


This is our #1 pick.
If you're in a hurry, choose this one.

Sturdy design

  • This stainless steel car diffuser is made with solid metal and comes with a strong magnet that holds it in place. The clips are rubber coated so they won’t scratch your vents or rattle as you drive. 

Add colour to your car 

  • The diffusers are cute and will add colour to your car, combining with the essential oils to brighten your mood. They come with 12 colourful felt pads.


  • Their sturdy design and thick felt pads means you will be using these for a long time before buying replacement pads. 
Our Rating 92%
  • Rotates between eight colors, casting a beautiful glow
  • Easy to use and refill
  • 5-year warranty


Built to last 

  • Customers praise these car diffuser vent clips for their nice quality and sleek looks. They are made to withstand hard usage without compromising on design. 

Easy to use

  • You won’t waste time figuring out how to use these diffusers. The instructions are easy to follow and the clips easy to fill.

Unbelievable price

  • The price you pay for these four good quality clips would get you just one or two diffusers elsewhere! 
Our Rating 92%
  • Solid and elegant
  • Perfect for gifting!
  • Portable and multipurpose


Good for the environment

  • Say goodbye to plastic and other disposable car air fresheners with this essential oil diffuser. It’s sturdy, so you’ll use it for a long time.

Spread the charm!

  • Many who buy this product end up gifting it to others. They are pretty, of good quality, and versatile. 

Use them anywhere

  •  The product name might say car diffuser, but this will work as well in the office or bathroom. It comes in a portable size and looks great anywhere it’s put.
Our Rating 90%
  • Portable, but powerful and water lasts long
  • USB for easier operation and power
  • Can also be used at home or in the office


Comes with an LED light that is useful in dark settings

  • Driving at night? The colorful LED light on this USB diffuser will always remind you of where it is. Other users said they find it relaxing.

Works as well away from the car

  • It’s in USB shape; this means you can plug in anywhere there’s a USB port — the office, at home — and it will work like a charm.

Lasts long

  • The diffuser is small enough to be held in one hand, making it easy to move around. Even better, this does not take away from its perfomance; its 200ml tank will go for 7 to 8 hours.
Our Rating 85%
  • Fits well in car vent
  • Extra pads for different scents
  • Good quality product

Very Good

Stays in place

  • This car diffuser locket knows it is supposed to clip to the vent and that’s what it does. Once fastened, it never moves out of place.

Ten felt pads for ten scents

  • Comes with ten pads to accommodate different scents.  Better still, the pads can be washed.

Simple yet strong design

  • Like all the other car diffusers we’ve looked at in this review, this locket was made to last for a long time. It is sturdy and cute.  
Choosing a Car Diffuser

We spend a lot of time in our cars travelling to and from work or on the way to an important assignment. These everyday scenarios turn out even better if we are relaxed and in a good state of mind. An essential oil car diffuser can go a long way to help and make the time spent in cars more pleasant.

Therapeutic aromatherapy, the term used to refer to what the diffusers do, is picking up steam. Essential oils are the best bet in enclosed environments like cars; depending on the oil you select, they help with relaxation, positive thoughts, and energy.

For fast action, the best way to apply essential oils for a quick mood boost is through inhalation. Our guide takes the hard work out of finding the best essential oil car diffuser. We are sure there is something for everyone in our selection.

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As mentioned in our Review Methodology, we make an effort to stay unbiased and will rank products that earn us less higher, if we believe it is a better product. We believe there’s much more to gain in providing open and honest rankings.

While we make every effort to provide accurate and up-to-date information, reviews and rankings may not reflect the current state of products. We look through thousands of reviews and read hundreds of hours of research to construct our suggestions, so we cannot keep each updated at all times.

Review Methodology

Here at, our mission is to make your decisions easy. Often, there are countless reviews in countless places. Different prices for different features, fine print, and small details.

We read through thousands of customer reviews, hundreds of professional reviews, try products, and delve into the data and research to weigh pros and cons – so you don’t have to. We distill down each choice to its essence, so you can decide the best option for you quickly and confidently.

So, what’s the catch? Why is HelpMePickIt completely free? We’re supported by advertising fees that products pay when you choose to purchase after visiting from, but we even choose products that earn us less if we believe it’s the better product. Why? Because we believe helpful content you can trust is a better long-term business strategy.