Our automotive multi-purpose cleaners contain deionized water, surfactants, and corrosion inhibitors. It can remove stubborn pavement asphalt, grease, bitumen and SAP from exterior surfaces. Its use is very simple: first clean the dust and debris on the surface, spray the right amount of spray in the part that needs to be cleaned, and wipe it back and forth with a cloth until it is clean. Helps clean the surface of the car efficiently after use helps you solve stubborn wheel dust, road dirt and bug marks, leaving your wheels looking very new.