Okay, they could change their hair back now... "Intaris." The pencil curls loosened and grew a little until they were back to they're usual length... the curls were just a little bouncier than normal but... it looked good. So she left it.

However...

It was still black... and the ends still red... come on... she tried again.

Eventually she managed to get it back to normal and sat quietly, waiting for the lesson to finish so she could go and send the letter.