Because who hasn't been there?
Use a nuclear-powered ink eraser. It's like a blowtorch, but for your hands.
Learn more about the Nuclear OptionJust use a lot of paper towels. It's like a sad, sad dance.
Read more about the Paper Towel of DespairTry dyeing the affected area with a hair dye. It's like, uh, a science.
Find out why this method is a bad ideaUse a laser pointer to vaporize the ink. Just be careful not to vaporize anything else.
Learn about the Laser Pointer of DoomRemember, if all else fails, just blame it on the kid.
Or, you know, just use a bit of soap and water. That usually works.