For over 100 years, 20 Mule Team® Borax has been a staple in millions of homes. Whether it's giving your family's laundry that extra kick or cleaning and freshening your home, 20 Mule Team® Borax is the essential multi-purpose solution for every home. Origin of Borax: Borax first appeared in history approximately 4,000 years ago. It is a naturally occurring mineral composed of sodium, boron, oxygen and water. Borax is generally found embedded deep in the ground, along with clay and other substances.