Saop that has DOS looks bad and smells bad. All my soaps that got DOS reeked with rancidity. Some people still use them, but I just tossed mine in the bin. I couldn't imagine selling them.
Everytime I have got DOS (3 or 4 times) the smell was ok, no rancidity.
"...Cause you can't sell an inferior product? ..."
"... Is it possible it wasn't DOS then? ..."
Not having seen sososo's soaps, I can't answer this question about those particular soaps, but I can say that not all DOS smells. If the DOS is uniform and widespread throughout the soap, then, yes, it can have a rancid odor. If the DOS is localized spots, then, no, it usually won't.
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