Ling, Ing-May, Wen-Hsin Li, and Lai-Hao Wang. “In Vitro Skin Permeation Efficiency Study on Natural Flavornoid Extracts Incorporated into Nano-Emulsions”. Asian Journal of Chemistry 21, no. 8 (March 30, 2010): 6237–6246. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/12329.