Epsom salt (magnesium sulfate), Time tested mineral compound has hundreds of uses, From health and beauty to household cleaning and organic gardening. Health benefits : Ease stress and improves sleep and concentration., Help muscles and nerves function properly, Improve oxygen use, Beauty benefits : May soften skin an exfoliate, Garden benefits: Helps seeds germinate, Make plants grow bushier. External use only, ease stress and improves sleep and concentration. may soften skin an exfoliate, reduce inflammation to relieve pain and muscle cramps.