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Wool Ball Diffuser

Essential Oil Diffuser for your Car

Author Laura Gummerman


  • 2CM Felted Wool Balls
  • Small Tassels
  • Small Clothespins
  • Embroidery Thread
  • Large Darning Needle
  • Essential Oils


  1. Cut a piece of embroidery thread that is about 16″ long. Thread one end though the metal spring loop in the center of your clothespin (you may want to use the needle to do that if you can’t just poke the thread through), pull through until you hit the center of your thread, and then tie a knot about 1″ below the clothespin.

  2. Thread both your thread ends though the needle and add on three wool balls with the color you want on top first. Make a knot after the third ball.

  3. Slide your small tassel onto one of your threads, and knot again to keep the tassel in place. All your components are now in place, but we’ll do one more step to hide the thread in the bottom wool ball.

  4. Thread both of your thread ends through your needle again and pull the thread back up through the center of your bottom wool ball and out the top.

  5. Trim the thread as close to where it came out as you can. Now your thread ends are neatly tucked away and your diffuser is ready to use!!

  6. Choose a high-quality essential oil and add 3-4 drops of the oil of your choice to the wool ball section of your diffuser. If you want to mix scents (great idea!), try 1-2 drops of each scent and see how strong the scent is before adding more.

  7. To install, simply use the clothespin to attach your felted ball chain onto one of your vent slats and enjoy the drive! 

Recipe Notes

If you hang it higher on your vent you also get the added benefit of getting a little extra burst of scent when the heat/air is being blown out, but you can hang it on the lowest rung if you’d rather that not happen too. I have seen that some people will hang air freshener type things from their rearview mirror, but hanging anything from the mirror is actually illegal to do in most states, so I say stick with the vent clip. Just add more oils to refresh the scent as needed. Now, as far as what scent to use, that’s totally up to you, but may I suggest a calming lavender or rosemary for your rush hour traffic commute?