Originally Posted by Oldschool
I use a cheese cloth, soaked in acetone....followed up with LOTS and LOTS of rinsing. the acetone seems to eat the brake dust right up, the cheese cloth picks up the dust that isn't eaten up by the acetone, but be careful to switch out the cheese cloth frequently.
Acetone is corrosive for clear coats, so I wouldn't recommend using it. Most degreasers work pretty well. I have used 409 and Windex on them and it gets the dust right off.
You could switch to a ceramic pad that has white brake dust.