When you use McKee's 37 Foaming Wheel Cleaner Gel, you can be confident that it will safely and effectively clean all types of wheels. Its water-based, surface-friendly formula removes brake dust and oily road grime while maintaining the wheel finish by dissolving ferrous iron particles. McKee's 37 Foaming Wheel Cleaner Gel uncovers the shine of all types of wheels, including factory clear coated wheels, painted, polished, and plated wheels. It works so well that it changes color as it dissolves brake dust! Though McKee's 37 Foaming Wheel Cleaner Gel is designed with the safety of you and your vehicle in mind, it is still a powerful wheel cleaner. The advanced surfactants release the baked-on dirt and brake dust that coat your wheels without affecting the wheels' finish. Your wheels will be left cleaner and shinier than they ever have been, because Foaming Wheel Cleaner Gel removes embedded brake dust particles.