Or..they could try wearing a shirt?

An article at Medicalxpress notes that some Indian researchers have come up with a topical gel which "can be used by farmers to prevent nerve damage due to chemical crop spraying."

The article is accompanied by a video starting with this image:

Maybe I am too easily amused, but apart from the silly Bollywood macho vibe, my other thought is  "Hey, put a shirt on for your own protection, and stop waving about that poisonous chemical!"