Essential oil diffusers are devices that disperse essential oils into the air, creating a pleasant aroma and promoting a calming atmosphere. They work by using various methods, such as ultrasonic vibrations or heat, to break down the oils into tiny particles that can be easily inhaled. Common types of diffusers include ultrasonic diffusers, nebulizing diffusers, and heat diffusers. These diffusers not only enhance the scent of a room but can also provide potential health benefits. Many people use them to reduce stress, improve sleep quality, or boost mood. Popular essential oils for diffusing include lavender, peppermint, and eucalyptus.