I tested 12 essential oil diffusers to compare their scent quality, design, ease of use and functionality. Three emerged as the best for most people.

Right now, Amazon is selling this $48 HealthSmart Cool Mist Humidifier for only $22. Plus, it doubles as an essential oil diffuser, which means you can get two machines for the price of one at a ...

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That’s why most major manufacturers of cool mist humidifiers recommend using a diffuser specifically designed for adding essential oils to your air. There are also steam vaporizers that boil ...

In use, I was very impressed with the Homedics Ellia Adore essential oil diffuser. The mist function is reliable and effective, but it's the extras that help elevate it from the competition.