Leaf extract of Strychnos ligustrina Blume inhibited Propionibacterium acnes growth in vitroS. Hardiyanti, S. Rahayuningsih, M.P. Suherman, E. Mardawati, S. Supriadi, B. Sembiring and W. HarsonowatiE3S Web of Conf., 373 (2023) 07005DOI: https://doi.org/10.1051/e3sconf/202337307005