An aromatic diffuser is a household appliance that uses water sprays, heat, and essential oils to create a pleasant aroma in the air. They make use of high-frequency vibrations to release beneficial micronized oils into the air. They can also be use as humidifiers or dehumidifiers. 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.