The best essential oil diffusers for aromatherapy fill your space with a long-lasting scent. We tested ultrasonic, nebulizing, and plug-in diffusers.

Aromatherapy diffusers (otherwise known as essential oil diffusers) are the latest craze topping household must-have lists ...

Whether you love the soft fragrance of lavender or need something to mask pet odors, an essential oil diffuser can help. You can diffuse scents like cedarwood and more, based on your personal ...