To make lye intended for making soap from scratch, solid sodium hydroxide (NaOH) must be dissolved. Sodium hydroxide beads or flakes are slowly poured into distilled water and carefully stirred until fully dissolved. The lye solution is left to cool. Then it is ready to be mixed with oils.
If you aren't sure how your lye solution in soapmaking works, this article will explain it all: from lye solution strengths, to controlling trace, and making water .
During the soap making process, lye is mixed with water to create a caustic lye solution, which initiates the saponification reaction when it's added to the skin .
I am looking for a basic recipe, olive oil and coconut oil , I will be using a liquid lye solution 30% lye concentration. How much oils do I need and do.