Fine Structure of the Fully Keratinized Hair Cuticle in the Head Hair of the Human January 1981 in “ Cells Tissues Organs ” Hiroshi Muto, Norio Ozeki, Ikuo Yoshioka 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 karger.com →