More info on thiourea (Tarn-X ingredient)
2006-04-25 by kilocycles
Here's a link to a US National Institutes of Health Report on Carcinongens that addresses thiourea specifically as a potential carcinogen: <http://ntp.niehs.nih.gov/ntp/roc/eleventh/profiles/s175thor.pdf> Notable in the report is this statement: "There is a small risk of consumer exposure to thiourea in silver tarnish removers or in liquid animal glues, which have been widely replaced by woodworking glues." Ted