What is it? A pH neutral wheel cleaner.How Does it Work? Dragons Breath reacts with the iron contamination found in brake dust. This chemical reaction turns iron in to a water soluble solution making it easy to rinse away baked on brake dust. Combined with good cleaning detergents this cleaner easily clean general road grime without agitation. Baked on Brake dust of course still requires agitation.Benefits? pH neutral and safe to be used on polished rim.Dilution ration? Designed to be used neat.