Professional airbrush and bodypaint artist Lisa Berczel painted this bit of medical makeup for the International Make-Up Artist Trade Show in Los Angeles. Aside from some medical grade paper tape near the eye and brow blocking, this is all paint.
Niiiiiice. I've always figured the thing to do if I shaved my head would be to get a tattoo of an anatomical diagram of the brain, and then let the hair grow back. That way, if they had to do brain surgery, they'd know where to cut. Or maybe just a phrenology map.