RubiTrux Tire & Rim Cleaner is a non-toxic, non-caustic biodegradable blend of premium surfactants which effortlessly breaks down grease, oil, tar , road grime, and brake dust releasing them from the tire and rim surface for easy cleaning. Excellent for cleaning all raised lettering and whitewall tires. Contains no petroleum, ammonia, or bleach. Will not dry out tire or cause premature degrading of rubber materials. Safe on all chrome and painted surfaces. Hypoallergenic and safe for the environment.