If you're to believe the recent reports, yes! A friend of the singer (some friend huh?) recently revealed that Justin is horrified by his thinning hair, and that it's one of the reasons he keeps his hair so short these days.
The friend was quoted saying, "He's keeping his hair super-short so no one notices. He's using specially formulated shampoo to promote hair growth. He certainly doesn't want to go bald!"
We guess you just can't have it all!