Handmade natural Himalayan Salt Lamp purify air through the energy of hygroscopy, that means that they appeal to water molecules from the encircling surroundings then absorb the ones molecules - as well as any overseas particles they may be carrying - into the salt crystal. as the HPS lamp warms up from the warmth produced by the mild bulb interior, that identical water then evaporates back into the air and the trapped particles of dirt, pollen, smoke, and so forth stay locked within the salt. ? Probable the maximum well-known benefit - and why most people of people use them - is because of their wonderful energy to put off dirt, pollen, cigarette smoke, and other contaminants from the air. ? This handmade natural Himalayan Salt Lamp dimmer switch is a perfect gift and a MUST have item for a house!