An aromatic diffuser is a device that creates a pleasant scent when it runs by heating up water. This device may be use to fill a room with fragrance or as an aromatherapy tool to improve mood, relieve stress, and help sleep. Aromatic diffusers also have many health benefits, such as helping clear congestion and ease headaches. An Aromatic diffuser releases fragrance into the air. It can be used to relax and reduce stress as well as improve your mood and bring in a natural environment.