It's hard to imagine a world without soap. We use it every day to clean our bodies and our homes. But have you ever wondered how this ubiquitous cleaning product came to be?
Soap has a long and fascinating history that can be traced back thousands of years. The earliest known reference to soap-like products comes from Sumerian clay tablets dating back to 2500 BC. These tablets describe the production of soap-like substances used for washing wool.
The...