Effects of Hair Essence Containing Vitamin E, Vitamin A, and Phytantriol on Hair Quality December 2023 in “ Asian journal of beauty & cosmetology ” Ki Young Ahn, Hong Jong Song, Dong Chung Kim 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 e-ajbc.org →