(Not) fun fact that I learned recently is some dyes like Red 40 are made from petroleum!
https://en.wikipedia.org/wiki/Red#:~:text=The%20most%20commo...
https://en.wikipedia.org/wiki/Red#:~:text=The%20most%20commo...
It's a very cheap source of hydrocarbons and doesn't at all mean there is petroleum in the product.