In concentrated amounts, degreaser on your car paint damages the exterior layer. However, the longer the solution is left on, the worse the damage becomes. Some degreasers have stain residues that might leave marks and cause the paint to fade away.

What degreaser is safe on paint?

WD-40 works great on grease and won't hurt paint.

Is grease bad for car paint?

Most types of lubricant, including motor oil, will not harm the paint on a car. Oil will make a slimy mess and cause ugly streaking, but it won't damage the vehicle. ... Removing oil from car paint requires a degreasing product that can be as simple as liquid dish washing detergent.