We tested multiple essential oils and blends, using four ultrasonic diffusers—the 300 mL Urpower diffuser, the 500 mL Asakuki model, the Vitruvi Stone Diffuser, and the 100 mL Urpower 2nd ...

The Organic Aromas Raindrop Nebulizing Diffuser has a beautiful design with its hardwood base and glass oil reservoir. It diffuses essential oils in their purest state without diluting them with ...

The Aromis diffuser is the most popular essential oil nebulizer on Amazon because it's gorgeous, well-made, and has several impressive features that other models don't.

The Asakuki 500 mL Premium Essential Oil Diffuser is our top choice, with a large water tank that doesn't need to be constantly refilled, adjustable time and mist settings, and an easy-to-use design.