Girls: What beauty tips do you give to other girls for Competions?

It's not on me, thank God, however a family friends daughter got ahold of a perment marker a day or so ago and has it EVERYWHERE. My mother and her friend have not been able to get it off and thought since robotics teams deal with grease stains and everything else, they might know. Nail Polish remover is very harsh on the skin and did I mention that it's on her face?