Would you have 20ml of fat sucked out of your thigh, then injected all over your scalp three times at three-month intervals to regrow your hair? However unlikely (and unappealing) this sounds, this is a treatment that’s likely to be available soon, because a recent journal review suggests it may actually regrow hair. And in an industry that’s always on the hunt for the holy grail of curing baldness, techniques with any positive results, however small the studies, soon come to market as a treatme