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This is what I was thinking as well. I do not mean that barbers necessarily consider surface tension though, indeed more along the lines of 'Dry hones suck. Oooh, look at all that lather.' But yes,...

I'm a bit surprised that Ron's response is the only one mentioning surface tension so far. Soap changes the surface tension ('breaks' it, for lack of a better way to put it), so if anything, the...