JimDandy had the only good idea, some of that stuff deep in you will be their for years till it breaks down naturally but soaking will eventually get all the shallow particles out. In my case it was black powder because some %$&@@#))* shot a BP pistol from just behind and to the left of me. No ball just wad and powder. Lots of powder. Had black flecks in my skin for a good 5 years.
Good intentions will always be pleaded for any assumption of power. The Constitution was made to guard the people against the dangers of good intentions. There are men in all ages who mean to govern will, but they mean to govern. They promise to be good masters, but they mean to be masters.