"In general, oil diffusers are safe. Their risk of harm is mostly limited to superficial things related to device function, such as burns and minor allergic reaction," explains Dr.

Is it safe to inhale essential oils from a diffuser?

Inhalation. Inhalation is arguably the safest means of administering essential oils, and it's the fastest way to get essential oils into your bloodstream. However, it's still critical to use oils with caution… even when diffusing.

Can essential oil diffusers be harmful?

Diffusers emitting a lovely, nose-pleasing aroma may seem benign, but can be unsafe since it uses water vapour to diffuse tiny oil droplets into the air. Inhaling diffused oils is known to cause negative respiratory effects on humans and pets, if used in a small space and/or for an extended period of time.