Ivermectin for horses/animals

He used a topical ivermectin product that is sold as animal medication, which cheaper, non-prescription and more widely available compared to the human version. You should give the human version, Soolantra, a try. It’s working for a lot of people here.

Have a look here for more info:

Also, you may want to apply it slowely, because it may give a bad initial outbreak: