The Origin of Soap

The Origin of Soap

Each year, 10 billion pounds of soap are produced. How does soap work?

How Does Soap Work?


from Brain Stuff

Key Facts In This Video

  • 1

    Soap production and use dates about to about 2800 B.C. in ancient Babylonia. (0:36)

  • 2

    Soap is actually a combination of salts and fatty acids. (1:05)

  • 3

    In order for "antibacterial" soap to be effective, it must sit on your hands a full two minutes. (2:53)

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