The first thing Harry did was put on his contacts. Then, he raided his boyfriend’s closet. He finally used the Sleekeazy's hair potion that Hermione had given him as a gift. Harry looked like a different person, and really, that was the goal. Under the stealth of his cloak, he made his exit from the eighth year tower. He walked to the dungeons, waiting for a group of Slytherins to emerge.