Comparative Evaluation of Herbal Sunscreen Extracts Using the Lokapure SPF Equation: A Reassessment of Classical Mansur Spectrophotometric Data Using Syzygium cumini Fruit Extract . Journal of PhytoPharmaceutical and Advanced Chemistry, [S. l.], v. 1, n. 02, p. 122–135, 2026. DOI: 10.66220/b4rdph29. Disponível em: https://jppac.in/index.php/jppac/article/view/36. Acesso em: 24 oct. 2026.