Also, that condition you mention is called, Argyrosis. Smurf people, aka/Smurf Syndrome, blue skin, likely irreversible and highly toxic to the body.
The man pictured passed on.
" The entire story as presented is a study in blatant misrepresentation. The fact is that Paul has a condition called argyria that turns the skin a blue-gray color. He got this condition by taking his homemade silver compound that was mostly a highly concentrated ionic silver solution. When he prepared the solution he believed he was making colloidal silver. He was not making colloidal silver. To make the solution even more dangerous, he added salt to the brew and then used electrolysis to make a high concentration of silver chloride with large particles which is well known to cause argyria. He further applied the compound to his skin causing him to become an internal and external photographic plate. To finish himself off, he used a tanning bed to "fix" the silver in his body"
It also came out that he colored his skin