Damayantri, Delsy Suci, et al. “Antibacterial Activity of Liquid Facial Soap Formulated With Ethanol Extract of Syzygium Myrtifolium Leaves Against Cutibacterium Acnes”. Public Health Frontier, vol. 1, no. 1, Feb. 2025, pp. 1-6, doi:10.36568/phf.v1i1.1.