Development of Hair Serum from Local Coffee By-Product January 2021 in “ AIP conference proceedings ” Wassanai Wattanutchariya, Phisit Seesuriyachan, Bussaba Arree, Araya Raiwa, Kochakon Moonsub, Jaturapit Phongsupa 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 aip.scitation.org →
research The Role of Hair Follicles in the Percutaneous Absorption of Caffeine 182 citations , December 2007 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Hair follicles significantly increase the speed and amount of caffeine absorbed through the skin.