[yellowapple]

It was a serious question, and it received many excellent answers. Yours was not among them.

Abrasive elements are commonplace in soaps for auto shops and other places where most conventional soaps have a hard time with the gunk accumulated from automotive grease and such. The particulates help to actually scrape off that gunk (in a manner that doesn't cause skin injuries), rather than rely on the hope that soap's chemical properties alone will suffice.