Well, there is Ethylene glycol and some of its derivatives are mildly toxic. -this is not supposed to be used, I am told because of its toxicity.
Then there is
Propylene glycol, it is
not toxic and is
used extensively in foods, cosmetics, and oral hygiene products as a solvent, preservative, and moisture-retaining agent. _ I am told this is quite often used in animal use dosing agents.
And then there is butyrolactone, a valuable solvent and chemical intermediate;
And then 2-ethyl-1,3-hexanediol, an effective
insect repellent
2-methyl-2-propyl-1,3-propanediol, made into
meprobamate, a widely used
tranquilizer.
So I think we need to wait for our resident Sheep dip expert to tell us what he knows about what animal sheep dip in SA contains.
Ivomec: Ivomec Injection is a clear, ready-to-use, sterile solution containing
1% ivermectin, 40% glycerol formal, and propylene glycol, q.s. ad 100%. This one is considered "safe" for human use.
There is one for sure that has a nasty in it that should not be tried for human use.
IVOMEC Plus: is a ready-to-use sterile solution containing
1% w/v ivermectin, 10% clorsulon, 40% glycerol formal, and propylene glycol, q.s. ad 100%.
Clorsulon, is not considered safe for human use.