Question: what is in 20 mule team borax?
Answer: The mineral itself is made up of Sodium, Oxygen and Boron to create Sodium Tetraborate (Na2B4O7 • 10H2O) and is mined in Central and Southern California. ... 20 Mule Team™ simply refines the raw Borax that is mined from the ground and converts it to a powder for your easy use.