Competing viewpoints below. I have never used it nor know anyone that has, so be careful.

Fenbendazole, on the other hand, I do know people that have cured colon cancer with it, and have heard second hand of pancreatic cancer from a couple of people.

Black Salve links:

https://www.fda.gov/consumers/consumer-updates/do-not-use-black-salve-dangerous-and-called-many-names

https://www.naturalnews.com/039803_Indian_black_salve_cancer_cure_herb.html

https://www.westonaprice.org/health-topics/modern-diseases/adventures-black-salve/