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Ok of course I know that commercial toilet soaps are made in a different way than CP soap, and I wasn't recommending that anyone makes CP soap using alcohol as solvent :D I was just trying to make the point that water is not needed for saponification, that's all. The fact that plain old...

Yes but for Dr. Bronner's ingredient list to make the distinction between saponified oils and just "oil" leads me to believe that the other oils were added after saponification was complete, don't you agree? It doesn't make sense for them to list it as "oil" when they already made the...

Water is not needed for saponification, and quite often saponification can occur in the complete absence of water, such as saponification in alcohol (the mechanism of saponification does not involve water). Water is asked for in large percentages to make it easier to work with - low amounts of...

The ingredients of Dr. Bronner's liquid castile soap are: Saponified coconut oil, Saponified olive oil, jojoba oil, hemp oil. This leads me to believe that the jojoba and hemp oils are not saponified, correct? Are these oils meant to be moisturizers? I tried adding them to my liquid castile...

Since lye is readily soluble in water, it doesn't take much effort to dissolve it. It's possible that the person is not using enough water. I've used 10% water (per oil weight) before and when I do, the lye first dissolves, but as soon as the solution temperature cools down a bit much of the...

I agree these are some beautiful swirls :) As someone said above, you could have miscalculated as I'm also getting about 115 g lye in my lye calculator (I made my own based on average SAP values out there). I must say if the bottom part of your soap is unpigmented, it is way too white, at...

Aye I agree, but I was referring to this case in specific. The point was if no "lye" was listed, then there has to be a fatty acid salt. It's either NaOH/KOH and oils, or "sodium"or"potassium" ....... "ate". at any rate, those that produce the base of melt and pour soap aren't making it CP...

Well, you can never make "soap" without lye because by definition, soap is saponified triglycerides - more specifically, the metal salt of fatty acids, which is obtained most easily by saponifying triglycerides using sodium or potassium hydroxide. So even if you do make "soap" without lye, it...

Well I'm both an avid soapmaker and a chemistry professor, if the latter is worth anything, and would gladly answer any technical questions you may have, here or through PM.

If I remember correctly, it's been shown that GSE does not really have antiseptic properties - the GSE previously tested was processed in plants that also had parabens passing through them, and the GSE was contaminated with low concentrations of parabens that actually acted as antiseptics.

I have made pure coffee soap. I prepared a strong pot of coffee and used it instead of water in CP soap. The final product does not smell like coffee - it actually smells kinda bad - and it stains when you wash with it (if you get it on your clothes). I leave it in the kitchen to use if...

Hi, I developed this really nice liquid handsoap recipe where I dissolve KOH in glycerine, saponify olive oil (using excess lye), mix with water, then neutralize the remainder of lye with free coconut fatty acids. It makes this wonderful, reproducible, amber colored, thick, clear, liquid soap...