Originally Posted by
QuiltnLady1
I have used a paste made of dishwasher detergent to get pen out of DH's dress shirts--they were permanent press, but some were all cotton. I would make a paste and leave it set for a bit, then rinse it out and repeated until it was gone.
With the paste you might also use a soft toothbrush to gently scrub the area.
If using a pencil, the softer the lead the better. Like a 3B or 4B, usually available wherever art supplies are sold.