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.

The diffusers we ordered from Amazon work, but we’re not confident that they’ll stand the test of time. The best ... the small disc at the bottom of the diffuser. Essential oil residue will ...

Medically reviewed by Arno Kroner, DAOM Many people wonder how and why to use an essential oil diffuser. You'll want to fill ...