Why do you need lye to make soap? Learn why we use lye (sodium hydroxide) to make natural soap, plus how to handle it safely in this informative post.
Lye and Soap Making – What is it and how to use it safely! – Lovin
Soapmaking
How to Make a Lye Solution for Cold Process Soap
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What ingredients do I need to make soap? - The Soap Coach
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Can You Make Soap Without Lye?
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Frequently Asked Questions about Lye