Determination of the Sun Protection Factor (SPF) of Ethanol Extract Gel from Arumanis Mango Leaves (Mangifera indica L. var. arumanis) as a Sunscreen Using the UV-Vis Spectrophotometry Method. Jurnal Riset Kefarmasian Indonesia, [S. l.], v. 8, n. 1, p. 1–10, 2026. DOI: 10.33759/jrki.v8i1.909. Disponível em: http://jurnalfarmasi.or.id/index.php/jrki/article/view/909. Acesso em: 6 nov. 2026.