Nobody would ever want permanent marker stains on their treasured leather upholstery. However, if it ever happens, then do not panic, as contrary to its name permanent marker is not completely indelible, provided the marks are removed in time.
Things like nail polish remover and bug repellents are also claimed to help with permanent marker on leather. However, according to some, nail polish remover ruins the color of the leather surface while taking out the marker stains. So, it is safer to stick to the above methods.
Using these simple permanent marker removal techniques would help you to protect your expensive leather interiors from developing permanent stains.