Cells needed to grow hair have been produced from human stem cells, according to a study by scientists at the Sanford-Burnham Medical Research Institute in La Jolla. The first-time feat could uncork a bottleneck in developing hair-replacement therapies, the scientists say.
http://www.utsandiego.com/news/2015/jan/26/hair-stem-cells-papillae-gnedeva-terskikh-burnham/