“Antioxidant Activity Test of Patchouli Leaf Ethanol Extract Lotion (Pogostemon Cablin Benth) Using The DPPH (2,2-Diphenyl-1-Picrylhydrazil) Method ” (2026) Journal of Pharmaceutical and Sciences, 9(2), pp. 1725–1734. doi:10.36490/journal-jps.com.v9i2.1350.