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.

and compared and contrasted the tools' characteristics to round up the eight best essential oil diffusers we could find. This diffuser has racked up over 61,000 ratings on Amazon, and over 20,000 ...

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 ...