That person was said to have been taking collidal silver for years before that happened and I think he may have also been taking a home made version of collidal that had salt in it and high concentration of silver.

"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."

https://www.purestcolloids.com/blue-man.php

What's wrong with being a smurf?

Hear that. I may try both an hour apart or something in small doses and see it it can help or anything. Feel like some bug/bacteria killer could maybe help a little at least.