Epsom salt is named after a saline spring at Epsom in England.

Originally shared by wellmindness

Epsom salt is named after a saline spring at Epsom in England. It differs from traditional salt because it is a pure compound of sulfate and magnesium. These minerals provide many health benefits that increase body’s detoxification capabilities.
https://thewellmindness.com/most-powerful-detoxifier-epsom-salt-bath/