The Origin of Soap

The Origin of Soap

Each year, 10 billion pounds of soap are produced. 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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