Wisudyaningsih, Budipratiwi, Kuni Zu’aimah Barikah, and Ilfi Nur Kamelia. 2025. “Effect of Quercetin and Zinc Oxide Concentrations on PH and In Vitro Activity of Sunscreen Lipstick”. Borneo Journal of Pharmacy 8 (2). Palangka Raya, Indonesia:167-75. https://doi.org/10.33084/bjop.v8i2.6797.