I think it does remove eveything.
I also remember a guy that does it all for you. Can't remember who but maybe someone else will chime in. Send him a bag full and get it back like new.

WANTED : ...A New Sponsor or Winning Lottery Ticket 69 A12 road runner ,Q5, post coupe, 4 speed, former Drag car restored to "Driver" condition in the early 90's, Showing some Patina. SS/E Track Record Holder 1980 10.40 @ 130mph