09/06/2026
uses calcium sulfonate chemistry along with rust-converting technology to stabilize existing corrosion and passivate the metal. It then leaves behind a hydrophobic, grease-like barrier designed to keep salt, brine, and moisture away from the surface.
That makes it a great option for vehicles that already have some surface rust and need more than simply having it covered up.
UnderGone is just one of several undercoating options we offer at Gottsch’s Goo, allowing us to recommend protection based on the vehicle, its current condition, and how it’s used. Salts Gone