I watched a ton of videos on YouTube posted by the KEDA guy.
In one of them, he says that in order to get the dye to dissolve in an oil finish like Tung Oil or Tru-Oil, a bit of acetone is required.
Of course, I値l try it out on scrap first to make sure the color is right.
If it doesn稚 set up right, I値l definitely try it without the water.

Maybe I値l dip one finger in particular in the dye and send you a pic.
(also, just kidding)