Epsom salt baths have been used for decades to help improve healing. Epsom salt baths help the lymphatic system and healing by improving circulation and the natural detoxification of cellular waste. When you soak in an Epsom salt bath or foot soak help to introduce magnesium into the body. The sulfates in the Epsom salt helps to improve nitric oxide in the body. Magnesium helps to neutralize acid waste and the nitric oxide helps to relax blood vessels. Both of these actions help to improve lymph flow and cellular health.