11. This condition is similar to argyria , which is caused by exposure to silver salts and colloidal silver. 12. He does not take the supplement any longer, but the skin condition, called argyria , is permanent. 13. Localised argyria often results from topical use of substances containing silver, such as some kinds of eye drops. 14. Argyria is a permanent cosmetic condition in which the skin and internal organs turn a blue-gray color.15. In argyria , the nail is permanently pigmented a slate-blue color and is most evident in the lunula. 16. :Colloidal silver was used before 1938 as an antibiotic, resulting in an " alarming increase " of Argyria . 17. You'll find it never once states argyria is anything more than a irreversible pigmentation of the skin .. 18. However, if more than 1 gram of silver is accumulated in the body, a condition called argyria may develop. 19. Others that are growing in popularity in the US include gold and silver therapies-which can cause Chrysiasis and Argyria . 20. Chronic ingestion or inhalation of silver preparations ( especially colloidal silver ) can lead to argyria in the skin and other organs.