Dry RustAn Effects Warpaints with a very matt formulation. Dry rust is a orangy brown paint design for painting on areas representing old rust. Use the stippling technique with an old brush or a drybrush and add a little Dry Rust on top of your metallics. Special effects Warpaint, uniquely designed to give you great effects. loads of heavy pigment for an excellent coverage and consistency. Get the exact amount you need with the ergonomically designed dropper