What Is Lye? Everything You Need to Know – Nella Naturals
When lye mixes with oil, it becomes soap after it saponifies. At the beginning of the soap making process, you will mix water, oil, and lye. But then you cure the soap and everything changes. As the chemicals harden, the liquid becomes a soap bar. And if you cure the soap for three to four weeks, there is no oil, water, or lye left in the soap.