Sort of like Scotchguard but for the outside of the vehicle, I like it. Living near a number of stone roads and highways that receive a generous helping of salt, this would be great in the winter. Stone dust and salt show up well on the Neptune. Appears they spray it on the already painted vehicle, like clear coat, maybe an aftermarket version someday?
One downside is the finish. Ultra Ever-Dry has a chalky-feeling matte finish, not shiny at all. The whole reason it repels water is because it is just about as far from "smooth" as you can get at a microscopic level.