sodium hydroxide

Hello everyone, I'm new to the forum. I've been examining the labels of various soaps to gain a better grasp of their compositions. I'm curious about why, in some cases, I observe oils, water and sodium hydroxide listed as ingredients, whereas in others, I notice saponified oils without sodium...

I am preparing to make a seamoss soap for the first time. I've prepared a seamoss gel to incorporate into the soap as part of my water weight. I am aware that many people have successfully made seamoss soap but I'm wondering if it's a good use of expensive seamoss. My concern is that the sodium...

This is probably a long shot but has anyone come across caustic soda which is actually produced in the UK? I'm trying to make soap from just UK produced ingredients, so far every company I have asked imports the caustic soda and then repackages it here. Thanks Zoe

I found an old box of sodium hydroxide in my garage and some of it leaked out. looks dry. would you assume it's not fit to use for soap making now? thanks for any advice.

I really tried searching the forum before asking my following question (and I am new here so that could be the glitch perhaps), but I did not find any threads fully discussing this topic. Please help if you can--or direct me to the relevant thread(s). Question. I am trying to research...