DEVELOPMENT, OPTIMIZATION, AND CHARACTERIZATION OF A MULTIFUNCTIONAL BROAD-SPECTRUM MINERAL SUNSCREEN STICK INCORPORATING NIACINAMIDE AND TOCOPHEROL FOR UV PROTECTION, SKIN-BRIGHTENING, AND SEBUM CONTROL. Bioscience Insights, [S. l.], v. 3, n. 01, p. 466–477, 2026. Disponível em: https://biosciinsights.com/index.php/BI/article/view/67. Acesso em: 12 nov. 2026.