What do You think about Jon´s haircut? Is it modern or is it retro?

It looks like he has the same haircut since Crush era. Can´t his hair be cut in a differente style? Does he choose the way it is cut or same fashion people choose from him?

Is he really bald?

And why he still uses the same glasses from Crush? Is there any merchandising that´s paid to him (Gucci is the Glasses he uses?)