“Antibacterial Activity Test Against Cutibacterium Acne and Contaminant Testing of Spirulina (Arthrospira Platensis) Anti-Acne Serum”. Jurnal Farmasi Sains Dan Komunitas (Journal of Pharmaceutical Sciences and Community), vol. 23, no. 1, June 2026, pp. 1-10, https://doi.org/10.24071/jpsc.v23i1.1069.