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If the article you read is not related to soap making, I question whether it's valid to apply the info to soap making.


In a soap making context, I don't see how baking soda will do anything more to control the odor of butyric acid soap than sodium hydroxide would do. But I don't have experience with using baking soda as odor control in soap and I haven't read the article you mention, so this is purely my opinion without a lot of context.


Remember the total amount of butyric acid is also big factor. I've used whole milk and cream in soap. Frankly I haven't found the odor to be a problem because butyric acid is only a tiny portion of the total fatty acid in the soap.


It's when I've used butter as a large portion of the total fat that the odor was distinct to my nose.


In the future, it would be best to give a link to your sources so everyone is "on the same page." It handicaps the conversation if you expect the rest of us to guess about what you've read and how you're applying that information.


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