Ultimate Brake + Drivetrain Cleaner is a 3-minute process targeted at brake dust as well as road grime and oils. Simply spray onto brakes and drivetrain and watch the magic as the formula turns bright red, capturing and converting oils and grime as it runs off. Rinse Well. Eliminate oil and dirt from your drivetrain in 3-5 minutes and watch the cleaner foam to a purplish-red color as in encapsulates and removes that oil and dirt. Eliminates brake squeal and will not attack wax on paint or drivetrain!