The origin of soap can be traced back to ancient civilizations, such as the Babylonians, Egyptians, and Greeks, who all used soap for various purposes.
The earliest known written evidence of soap making dates back to Babylonian clay tablets from 2800 BC, which describe the use of ash and oil for cleaning.
The ancient Egyptians also used soap for personal hygiene and medicinal purposes, and archaeological evidence shows that they made soap from animal and vegetable oils mixed with alkaline salts.
The Greek historian Herodotus wrote about the use of soap in ancient Greece, where it was made from a mixture of tallow and ashes.
The Romans also used soap for personal hygiene and to launder their clothes. They made soap from a mixture of tallow and ashes, and also developed a more luxurious soap made from olive oil and fragrant herbs.
During the Middle Ages, soap making became an important industry in Europe, with soap makers forming guilds and producing soap for personal hygiene, laundry, and medicinal purposes.
In the 18th century, soap making became more industrialized, with the invention of the first soap making machine.

