They sell it for ingestion. Argyria is a symptom of doing it all wrong. That famous blue dude and that senator was using a salt solution with tap water in their concoctions. The other cases (which are extremely rare) were from taking some other silver chloride solution.

Has to be pure distilled water (and recommended to test the water for solids before using it).

The funny thing with the smurf people - they still swear by the stuff - never get sick. <img src="/forums/images/graemlins/shiner.gif" alt="" />

Some seem to think the high concentration didn't help either - these folk were making theirs at over 100PPM while studies (including EPA) show 10PPM to be safe and effective...which is another reason to make it yourself...if you trust no one <img src="/forums/images/graemlins/smile.gif" alt="" />

Good info - good site too.