How do you get pen ink off of a leather purse?

You can't it's to tafe

If you mean ballpoint ink, take a clean cloth and a bottle of hair spray. Spritz the ink with the hair spray, wait a few seconds and wipe.

Hairspray or an eraser should work if not paint thinner

Try Hairspray:)

BY USING ARM & HAMMER TO SCRUB IT AND GETTING A MAN TO DO IT.IT WILL COME OFF CLEAN.