Back in the lab, Wesley grabs a fresh head to give me a side-by-side comparison of piloscopy and the standard FUE technique. He inserts the piloscope’s arm through an incision in the scalp ...

Five years ago, hairstylist Mandy Hasty noticed something on client Caribe Browne's scalp ... a scalpel to remove a thin layer of skin at a time. Between layers, the lab checks under a microscope ...