Why Did My Soap Crack? - Soap Queen
Jun 20, 2016·Lots of firm butters like cocoa butter can cause soap to crack. I recommend using no more than 15% butter in your recipe to prevent this. Lye Heaviness To make cold process soap, lye and oils are combined to begin the saponification process. In a balanced bar, there is no lye leftover in the final product – it all gets transformed into soap!