Hi, How are you? Hope fine. We are happy that you are buying our Himalayan Salt Products. Cleanse And Deodorize The Air Salt lamps purify air using hygroscopy meaning they attract water molecules from the environment then absorb those molecules including foreign particles they may be carrying- into the salt crystal. As the salt lamp warms from the heat produced by the bulb inside, the water evaporates back into the air and the trapped particles remain locked in the salt. This is the best known benefit, but sometimes it’s hard to imagine a hunk of salt purifying your air, even if it does have a light bulb in it. Himalayan pink salt lamps are said to purify the air through hygroscopy. They attract water molecules from the surrounding environment, absorb those molecules and any allergens they may be carrying. As the water evaporates, it leaves the dust, allergens, or other particles trapped in the salt. Reduce Allergy And Asthma Symptoms Salt lamps remove microscopic particles of dust, pet dander, mold and the like from surrounding air. Placing a lamp or two in the rooms where you spend the most time can seriously cut back on allergy symptoms. People who suffer from asthma should notice a difference after a week or two. Because Himalayan salt lamps remove microscopic particles of dust, pet dander, mold, mildew and the like from the surrounding air, placing a lamp or two in the rooms where you spend the most time can seriously cut back on allergy symptoms. Even people who suffer from asthma should notice a big difference after a week or two. (In fact, Himalayan salt is so good for your airways, there are even Himalayan salt inhalers! Eases Coughing As the salt lamp begins it’s hygroscopic cycling of particles from the environment it also changes the charge of the molecule, which is released. Breathing positive ions into our cilia (microscopic hairs) which line the tra