Should not ruin the paint- could not ruin the paint ---many peopel use it toremove road tar- make sure and clean it off though- it will leave the paint oily and slick.
99 SE Sport 2.5 Duratec Spruce Green Metallic.. Aesthetic Only.... For Now
...the closest I will ever get to having a Turbo will be the Gillete Mach 3 variety!!!