“DEVELOPMENT, OPTIMIZATION, AND CHARACTERIZATION OF A MULTIFUNCTIONAL BROAD-SPECTRUM MINERAL SUNSCREEN STICK INCORPORATING NIACINAMIDE AND TOCOPHEROL FOR UV PROTECTION, SKIN-BRIGHTENING, AND SEBUM CONTROL”, Biosci. Insights., vol. 3, no. 01, pp. 466–477, Jun. 2026, Accessed: Nov. 12, 2026. [Online]. Available: https://biosciinsights.com/index.php/BI/article/view/67