“Formulation and Stability Tests of Hair Tonic from Oil Palm (Elaeis Guineensis Jacq.) Leaves Extract and Effectiveness in Protecting Hair”. Journal of Tropical Pharmacy and Chemistry 6, no. 2 (February 1, 2025): 144–153. Accessed October 6, 2025. https://jtpc.ff.unmul.ac.id/index.php/jtpc/article/view/248.