The minerals in seawater, and then sea salt, may boost the salt’s effectiveness for treating eczema symptoms. One 2005 study concluded that soaking in a bath with salt from the Dead Sea can ...

Medically reviewed by Kayla Girgen, RD Himalayan salt is extracted from salt mines in Pakistan and other areas southwest of the Himalayas. It's considered one of the purest forms of salt, as it's free ...