Babylon’s soap-making legacy dates back to 2800 BCE, where ancient techniques shaped hygiene practices and influenced modern sanitation.

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SIOUX CITY — Traditional soaps materialize from two key ingredients: A kind of oil or fat (olive oil, hempseed oil, castor oil, animal fats, whatever it may be) and the highly caustic and toxic ...

The soap-making process began with pouring clean water into the top of the hopper. The water slowly percolated down through the ashes, emerging at the bottom as a red liquid potash known as lye. The ...