I have used Epsom Salts for a relaxing bath after body aches from yard work. There are other good reasons to make a good friend of Epsom Salts. Link here and here at Lifehack.
-- use with shampoo for hair washing to help strip some of the oils from your hair. Rinse afterwards.
-- Foot Scrub. Mix to make a Scrub with Salt, Olive Oil, Castile Soap. Scrub feet once or twice a week to remove dry skin
-- Wash Face Scrub, adding Epsom Salts to Face Cream or liquid soap, Rinse clean afterwards.
-- Alleviate Headaches! Taking an Epsom Salt bath has been touted as Headache Reliever, Having something to do with the Heat and Salt calming aggavated nerves.
-- Hangovers, Bruises, Muscle Pains, Sleeping, Remove a Splinter!,
-- Clean a Bathroom, Fertilize Fruits, Fortify Plants Get Rid of Garden Pests (Slugs!)
-- Weed Control, Greener Gras