Epsom salt is a magnesium rich compound. It has been used for hundreds of years as a healing agent, reducing pain and headaches and improving sleep. It is a natural antibacterial agent so its brilliant for skin conditions (eczema, athlete’s foot & psoriasis). Epsom salt when absorbed through the skin can remove toxins from our body, impurities and dirt from our skin. Side note: We use half a tonne of salt in our pods