Armor all multi purpose cleaner is a special formulation of cationic and non anionic surfactants the addition of non anionic surfactants makes multi purpose cleaner more effective on greasy dirt that is more commonly associated with engine grease oil and food it cleans tough ground in dirt oil grease tar bugs and brake dust it is a non toxic non flammable cleaner that will treat automotive surfaces from vinyl door panels to engine parts these surfactants are mixed with highly refined solvents i