Jon´s behaviour did not change in the following hour. He mindlessly walked back home without realizing his recent transformation from a boy to a girl.
It was already getting late and Jon immediately went to bed. In a moment of clarity he wondered about the surprise Lilly told him about but a second later he was already asleep.
During the night however, the special treatment began to do its work. While Jon´s body did not transform any further, his hair started growing again.
In the next hours it nearly doubled in size, formerly reaching only to about his butt it now reached down to the floor.