Natasya Putri Handayani, Rahmat Hidayat and Alfina Nurrahman 2026. Formulation And Evaluation Of Sunscreen Spray Gel Preparations From Kepok Banana Flower Extract (Musa Acuminata X M. Balbisiana) With Variations In Extract Concentration Based On SPF Value. International Journal of Health Engineering and Technology. 4, 6 (Mar. 2026). DOI:https://doi.org/10.55227/ijhet.v4i6.638.