Dissanayake, N.U.S., P.G.H. Pupulewatte, D.T. Jayawardana, and D.M. Senevirathne. “Characterization of Kaolin-Rich Laterite Soil for Applications for the Development of Soil-Based Cosmetic Products”. Journal of Drug Delivery and Therapeutics 12, no. 5-S (October 15, 2022): 31–40. Accessed January 21, 2026. https://jddtonline.info/index.php/jddt/article/view/5615.