i googled Happy Jack, you can get it from Amazon.com. Manufacturer: Happy Jack Epa Reg. No. 2781-1 Active Ingredient(s) Sulfur 28%
Inert ingredients* 72% Total 100% *Linseed oil, turpentine, pine tar oil, cod liver oil, lanolin, and tar acid oil Happy Jack Mange Medicine Indications A sarcoptic mange medicine for dogs and horses. << but it repels too. Mange is from mites, and gnats/lice etc are the same critter. janice -- even good horses have bad days sometimes.
