not sure enough heat would ever be produced by a salt lamp to give off Chlorine gas. At least you don't need to worry about being poisoned by your lamps. The salt may absorb water, and form solution sodium and calcium in solution, which could have an ionic character owing to the polar nature of water -- my knowledge of chemistry isn't sophisticated enough to know -- but it will re-crystalise into salt when the water evaporates. Incidentally, there are absolutely ZERO scientific studies of salt lamps.
If you’ve spent any time in a new-age shop recently or toured the non-grocery aisles of Whole Foods or even visited a Bed, Bath & Beyond, you may have seen light pink, rocklike glowing lamps known as salt lamps. The lamps are quite literally rock-shaped slabs of salt with a hole drilled in the bottom. A small light bulb with a cord is inserted to illuminate it from the inside, and voila, you have a salt lamp.
 This claim has existed sporadically in the scientific literature for decades, but ultimately is not supported by current science. A 2013 review of psychological effects attributed to air ions, which looked at 33 studies from 1957 to 2012 evaluating “the effects of air ionization on depression, anxiety, mood states, and subjective feelings of mental well-being”, concluded:

We need light to see, but the light that we frequently use is overly bright and emits at frequencies that are overwhelming to our eyes. Unfortunately, there was no sufficient alternative to typical light sources until the invention of the Himalayan salt lamp. The versatile salt stones come in natural and shaped sculptures which have a unique aesthetic that’s unmatched. The pinkish-orange hue that the lamp emits is soothing and warm, but you can also try a multicolor USB lamp to pick a color that fits your architectural dreams. In addition to the visible effect on the ambiance, salt possesses a quality known as hygroscopy that absorbs water vapor and the attached microbes from the air. They also emit negative ions that reverse the effect of positive ionization from other technological devices which are known to have detrimental health effects over time such as increasing the risk of cancer. Combined with the natural beauty of the hazy, soft light that is more enjoyable than a bright overhead or grating florescent light, a Himalayan Rock Salt Lamp will instantly improve the ambiance of any room in a natural and healthy way. Adding a Himalayan rock salt lamp will instantly improve the ambiance of any room in a natural and healthy way.
However, there is no evidence that these lamps produce meaningful amounts of negatively charged particles, or ions, or that they reduce pollutants in the air. To assess the health claims, scientists need to answer three basic questions: Does Himalayan salt contain any special ingredients that could somehow positively affect health? Do negative ions benefit health? And if they do benefit health, do these lamps produce them in any quantity? Malin said. On all three counts, there is little-to-no evidence supporting the claims, he said.
After having this salt lamp for two months, the light bulb make a loud noise and sparked. I tried putting in a new bulb and it still wouldn't work. This ended up happening to three of the five salt lamps we purchased (I purchased five of these at once from this seller). I tried getting in contact with the seller and they never responded so now I'm stuck with 3 salt lamps that can't be used.

Real Himalayan Salt Lamps are rare and need some effort to find the best ones. However, they are quite affordable when measured with the health benefits it imparts. Aesthetically enhance your room, or give it a soothing glow while you work, or do your daily chores. These lamps have been proven to an extent to positively affect the human body and boost the immune system. Most doubts about its features are usually cleared by reviewers on websites, so keep a lookout for that!
Last, but not least: Himalayan pink salt lamps are environmentally friendly. While only an estimate, the reserves from which HPS is mined measure somewhere between 80 and 600 million tons and is projected to last for at least another 350 years at the current extraction rate. The base of an HPS lamp is generally carved from a sustainable wood such as neem. Some lamps use a low-wattage bulb which consumes very little energy while others are powered by a lit candle.
I purchased this item from Amazon and a year or so later the dimmer switch stopped working. When I took it apart to inspect I found the transistor (which is severely undersized for this design) had overheated and burned up itself and the circuit board. I searched the part numbers online and discovered this is the *exact same* board that has been recalled by other manufacturers (i.e., Micheals). I do not understand why Amazon has not recalled their version of it yet. It is a fire waiting to happen. I would not recommend anyone using this product.

Himalayan salt lamps are ideal for warmly illuminating your space, but also harbor healing qualities! The negative salt irons released by heating are said to help keep you calm, improve sleep, and increase levels of serotonin in the brain. Even when not in use, they add a natural touch to your ensemble, perfect for lodge-worthy living room looks and eclectic master suites alike. This one measures 7'' H x 7'' W x 7'' D.


Due to the hygroscopic (water-absorbing) and photoelectric nature of a heated Himalayan salt lamp, it emits vapor and negative ions, respectively. The negative ions were proven to attract pollutants, airborne particles, and positive ions generated by electromagnetic fields (EMF) emanating from electric devices to the salt lamp, purifying the air and creating a feel-good atmosphere. Exposure to such field were found to go as far as complicate already-existing diseases.

All the claims described above rely on the singularly false assertion that a block of salt with a light bulb inserted inside will naturally emit negative ions. That argument, when intelligible, usually invokes some sort of interplay between the salt, which attracts water from the air, and the heat from the light evaporating that water, as described in a non-peer-reviewed 2010 paper in the Pakistan Journal of Molecular Biology:
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At first I was a bit concerned after reading reviews about the dimmer switch (basically a variable resistor) heating up, melting, and causing a fire. My kid bought this Himalayan Pink Salt Lamp for my wife as a Christmas gift because she has been wanting one for a long time. I read up on the fire hazard and noticed that a recall has been placed on this salt lamp. All of the one star rated "fire warning" reviews are from many months or years ago. So I assume that the batch that was sent out has had this dimmer issue fixed. Basically a higher wattage variable resistor is needed to fix this problem.
I bought a salt lamp on a Friday night and plugged it in 24/7 until today (Monday). I had a tremendous headache on Saturday and Sunday mornings, relieved after I left the house. Monday I was home all day and the headache became rather violent -- so much so that I started looking up info about salt lamps and headaches on the internet. I am not prone to headaches nor have I ever been! I unplugged the lamp and received immediate relief! Needless to say, I was somewhat stunned by this revelation.
At Wayfair, we try to make sure you always have many options for your home. That's why we have so many Salt Lamps for sale on our site, including Salt Lamps from brands like Bloomsbury Market and World Menagerie. We want to make sure when you're looking for where to buy Salt Lamps online, you're getting the one that's exactly right for you, whether that's the Hawthorne Natural Himalayan Rock Fire Bowl 6.5" Salt Lamp, the Hassa Natural Himalayan 10" Salt Lamp, or something entirely different and unique to your home. We have thousands of great deals every day with no need for a coupon. There's never been a better time to "Wayfair my Salt Lamps".
Salt therapy for breathing problems is said to have begun with Siberian salt mine workers in the later 1800s who had a surprisingly small number of respiratory problems compared to people around them with less salty professions. Nowadays, you can find salt caves at various spas, and this salt cave experience is also trying to be re-created with the invention of salt pipe inhalers. Salt lamps are another smaller-scale way to bring the salt cave experience (and hopefully the health benefits) home. (6)

These studies, however, used high concentrations of negative ions generated by industrial scale ion generators. Seeing as we have uncovered no evidence to support the claim a salt lamp produces any ions, the notion that a $29.99 block of rock with a light bulb could rival the power of a specifically designed laboratory equipment seems dubious. Much of the pseudoscience written about the positive effects of negative ions similarly disregards scale in their analyses, equating negative ionization at any level as the same phenomenon.


I bought a salt lamp on a Friday night and plugged it in 24/7 until today (Monday). I had a tremendous headache on Saturday and Sunday mornings, relieved after I left the house. Monday I was home all day and the headache became rather violent -- so much so that I started looking up info about salt lamps and headaches on the internet. I am not prone to headaches nor have I ever been! I unplugged the lamp and received immediate relief! Needless to say, I was somewhat stunned by this revelation.
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