Devlopment and Evaluation of Herbal Hair Oil Formulation of Helianthus annuus and Martynia annua for Hair Growth Potential January 2024 in “ International Journal of Zoological Investigations ” Abhishek Kumar, Kori Mohan Lal 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 dx.doi.org →