About Product:Efficacy and Function of Humidifier:1: Humidifier Can Release a Large Amount of Negative Oxygen Ions during Atomization, Which Can Effectively Increase Indoor Humidity, Moisten Dry Air, and Combine with Floating Smoke and Dust in the Air to Deposit, effectively Remove the Smell of Paint, Mildew, Smoke and Odor, Fresh Air.2: Since the Humidifier Uses Microporous Atomizer Plate, the Humidifier Cannot Add Essential Oil, Because the Essential Oil Cannot Be Dissolved in Water and Will Be Adsorbed on the Water Tank Or Cotton Swab, Causing the Essential Oil to Corrode the Water Tank Or Block Atomizer Plate, the Humidifier Can Not Cause Normal Fog and Damage the Machine.