Jayana, T. T.; Yandriyani, D.; Monica, E. Antibacterial Activity Test Of Facial Serum Formulation Of Pegagan Leaf Extract (Centella Asiatica L.) And Pandan Leaf Extract (Pandanus Amaryllifolius R.) Against Cutibacterium Acnes Bacteria. J.Farm.Ma.Chung 2026, 4.