I've seen a poster recommend, time and time again, the use of "pour on" ivermectin for topical and internal use.
The only pour on ivermectin I am familiar with is a cow preparation. This version of ivermectin is used on cows for skin parasites **AND CONTAINS A DYE, USUALLY BLUE, SO YOU CAN SEE WHERE IT HAS BEEN APPLIED**.
I would not advise this be used in any way on a human. It has been recommended for both topical and internal use.
I think it's a pretty dumb idea but what the heck do I know.
From this armchair poster but real life farm grrl, don't do it. I have real life experience with livestock as well as real life experience with human parasites.
Make your own topical cream by mixing albendazole or ivermectin and an anti itch cream. Just don't use cow pour on stuff.