Hair Follicle Aging Is Driven by Transepidermal Elimination of Stem Cells via COL17A1 Proteolysis April 2017 in “ Journal of Dermatological Science ” Hiroyuki Matsumura, Yasuaki Mohri, Hironobu Morinaga, Makoto Fukuda, Sotaro Kurata, Emi K. Nishimura We don't know much about this study yet. We're maintaining the world's largest resposity of hair loss research. You can help out the community by sending a PDF of this study here . Not sure how to get a study's PDF? You can email the authors of the study. View this study on jdsjournal.com →