Why powdered hand soap used by mechanics still works best
If you've ever spent a Saturday afternoon elbow-deep in a greasy engine bay, you know that powdered hand soap used by mechanics is the only thing that truly saves your skin—and your sink—at the end of the day. There's a specific kind of frustration that comes with trying to wash off heavy-duty motor oil or axle grease with regular bathroom soap. You just end up with grey, slippery hands and a ruined towel. That's why the gritty, old-school powder remains a staple in garages everywhere, despite all the fancy "orange" gels and foaming cleaners that have hit the market over the last few decades. ...