Himalayan salt lamps are giant chunks or sophisticated carvings of salt from (wait for it) the Himalayas.

Another important Himalayan salt lamp warning: it can be dangerous if the salt begins leaking onto the lamp holder.It’s important to learn the different types of salt lamps, as some are safer and more beneficial than others (because some are even fake). Himalayan sea salt is believed to be composed of dried remnants of the original, primal sea dating back to planet Earth’s creation. Many manufacturers advise that it’s safe since their lamps have small, low-wattage bulbs and therefore the lamps don’t become too warm.

While they may be an attractive addition to a room and help create a relaxing environment, there’s little to suggest they do much else. Journal of Applied Microbiology: "The application of ionizers in domestic refrigerators for reduction in airborne and surface bacteria. White Himalayan Salt Lamps – White Himalayan salt is the rarest and purest salt, with less iron content. The stronger the color, the more of the certain trace elements the salt contains; for example, the higher the iron content, the deeper red the salt will be. Some salt lamps also come with a FCC and CE approved/UL certified dimmer control switch if you’d like a softer glow in the evening.The candles include 100%-natural ingredients and provide a convenient way to benefit from the Himalayan salt. But more importantly, due to its high content of numerous minerals, a Himalayan pink salt lamp gives off light in an irregular and muffled manner. So if you find a white salt crystal lamp that’s not substantially more expensive than the pink/orange versions, steer clear because this is likely an imposter. Himalayan salt lamp is a crystal carved from Himalayan rock salt that provides a decorative addition to any room.

The warmth of the light helps the salt emit negative ions into the air, which bind to airborne particles. For example, if you are looking for a neutral colour that will match with just about any room design out there, you could consider getting a white salt lamp. There seems to be no noticeable, chemical improvement in mood, but it also doesn't make your mood worse, by any means.

Additionally, it’s very unlikely that salt lamps could expose you to the high number of negative ions used in these studies.