Naturally rich in Magnesium, to leave skin feeling revived and healthy. This refreshing shower wash has been developed free from SLS, SLES, Parabens or Colours to gently care for your skin. pH balanced to support naturally healthy skin. 0% SLS/SLES Dermatologically tested What is Epsom Salt? Epsom Salt\'s origins began as one of the firdt natural spas in the UK, in the early 17th century. Magnesium and Sulfate are found in many natural sources and have since been combined and used widely as a proven treatment in medicine, gardening and healthcare.