Muc-Off's Disc Brake Cleaner can improve the performance of your disc brakes by quickly removing dirt, oil, and other contaminants from braking components. The unique formula rejuvenates your brake pads with its moisturizing action to reduce squealing, improve longevity, and enhance performance. The Disc Brake Cleaner air-dries quickly without leaving any residue. It is completely safe to use on rubber, plastic, metals, carbon, and painted surfaces. Improves braking performance. Treats brake pads and rotors to reduce brake squeal. Extends the life of the disc and rotor. Quickly removes oil, grease, brake fluid, and dirt. Rehydrating formula to preserve brake components.