Analysis of Cysteine on the Surface of Hair Fibers with Spectrofluorescence January 2008 in “ Chinese Journal of Spectroscopy Laboratory ” R. S. Guo 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 en.cnki.com.cn →