“In Vitro Photoprotective Performance and Physicochemical Characterization of a Herbal Sunscreen Cream Containing White-Fleshed Guava (Psidium guajava L.) and Soursop (Annona muricata L.) Leaf Extracts” (2026) Jurnal Fitofarmaka Indonesia, 13(1), pp. 19–28. doi:10.33096/jffi.v13i1.qee7sx29.