79g (0.176lb) sodium hydroxide (lye)

Making Bar Soap

Making Bar Soap

Just where and when humans first observed the chemical reaction between oil and potash is unknown. One legend says it was at “Mount Sapo” in ancient Rome, where a creek flowed over a deposit of wood ash and animal fats created by sacrificial fires for the gods. There’s evidence that the ancient Babylonians, Egyptians, and […]