Effects of Antioxidant Activities and Hair Loss Prevention of Platycodon Grandiflorum Ethanol Extract July 2019 in “ Journal of the Korean Society of Food Science and Nutrition ” Min-Hwa Jung 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 dbpia.co.kr →