Use rubbing alcohol to remove it.
Try hairspray or rubbing alcohol.
Apply Spray starch or alcohol to the site then wash with soap & water
When my son had a pen in his back pocket that broke open, I used alcohol and cotton swabs to remove the ink. This happened in my car. It took a little elbow grease but the ink did finally come out.
Hair spray has usually worked for me. Good luck!
try isopropyl alcohol or hairspray
I use hair spray. It sounds odd, but it does the trick!