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They are all made from some type of oil/fat. Things with sulfate at the end of the ingredient don’t form soap scum, but classic soap made with fat and lye prod
by jcampbell1 4y ago
They are all made from some type of oil/fat. Things with sulfate at the end of the ingredient don’t form soap scum, but classic soap made with fat and lye produce a salt of a fatty acid which combines with hard water to make soap scum.