Ramadani, Novia, and Cikra Safitri. “Formulation And Physical Quality Test Of Lip Balm Preparations From Yellow Sweet Potato Skin Extract (Ipomoea Batatas L.)”. MEDFARM: Jurnal Farmasi dan Kesehatan 14, no. 1 (June 30, 2025): 96-105. Accessed April 23, 2026. https://jurnalfarmasidankesehatan.ac.id/index.php/medfarm/article/view/579.