“DEVELOPMENT, OPTIMIZATION, AND CHARACTERIZATION OF A MULTIFUNCTIONAL BROAD-SPECTRUM MINERAL SUNSCREEN STICK INCORPORATING NIACINAMIDE AND TOCOPHEROL FOR UV PROTECTION, SKIN-BRIGHTENING, AND SEBUM CONTROL” (2026) Bioscience Insights, 3(01), pp. 466–477. Available at: https://biosciinsights.com/index.php/BI/article/view/67 (Accessed: 12 November 2026).