Best treatment bath dust mix for treating and preventing ringworm?

I came across this post by Forever Feisty Chinchilla Rescue about using Food Grade Diatomaceous Earth (DE) mixed with bath dust for treating ringworms (reference: see "Fungus"). I also read that some people add sulfur powder (reference: click here) or over the counter antifungus foot powder (as mentioned by many webpages including posts in this forum)...

Best treatment bath dust mix for treating and preventing ringworm?