What can i use to get Permanent Marker Pen off plastic?

Question

What can i use to get Permanent Marker Pen off plastic?

Answer 1

l*****g it works too

Answer 2

my son has a football guernsey with iron-on numbers on the back.The numbers have been autographed with a permanent marker,i tried using nail polish remover aswel as eucalyptus oil, it seems to have lifted off the top coat,however you can still see a faded autograph! The iron-on numbers seem to be a soft plastic material,please tell me how to make it dissapear