Mexican Mustang Liniment (For Man and Beast) was widely marketed from about 1850 to the 1900s. Advertisements promised that it cured “Burns, Caked & Inflamed Udders, Piles, Rheumatic Pains, Bruises and Strains, Running Sores, Inflammations, Stiff Joints, Harness & Saddle Sores, Sciatica, Lumbago, Scalds, Blisters, Insect Bites, All Cattle Ailments, All Horse Ailments, All Sheep Ailments / Penetrates Muscle, Membrane and Tissue Quickly to the Very Seat of Pain and Ousts it in a Jiffy. Rub in Vigorously.”
Not only did the manufacturer for this non-prescription salve place display ads in newspapers across the country, it published an annual publication for the African American audience and distributed marketing pamphlets in urban and rural communities.
Oregon News, March 23, 1895
https://oregonnews.uoregon.edu/lccn/sn84022653/1895-03-23/ed-1/seq-10.pdf
Afro-American Almanac 1896
https://archive.org/details/473165276.4780.emory.edu/page/n1
Mexican Mustang Liniment Advertisement, Ohio History Connection Selection
http://www.ohiomemory.org/cdm/ref/collection/p267401coll32/id/22037/
Smithsonian Institution, National Museum of American History
http://americanhistory.si.edu/collections/search/object/nmah_737765