“Detectable levels”
That’s the key phrase right there. The ability to frighten the hordes knows no bounds, coupled with heavy advertising.
Maybe this is dangerous, but ... I doubt it.
Some years back on a music/audio/equipment forum a poster asked how to clean his 33 RPM vinyl records without getting excessive Lead inhalation exposure. He was concerned, it was eventually revealed, by the “California Warning” on a 1oz. bottle of DiscWasher cleaning solution. It is nothing exotic, merely distilled water with a detergent in it.
There might be a few molecules of anything in everything, this “detectable levels” BS is therefore is madness. It can (and will) be used like a knife.
All this craziness comes from a law that was passed by Congress waaaay back in the 60’s that made ANY detectable level of a carcinogen substance illegal. Of course science instruments have become much more accurate and sensitive since then but the law is still in effect............