Detection of Polysulfide Species in Human Hair Cuticle and Protective Effect of Sulfur Donor on Heat-Induced Damage of Hair February 2020 in “ The Pharmaceutical Society of Japan ” Nanami Tasaka 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 confit.atlas.jp →