Natasya Putri Handayani, Rahmat Hidayat, & 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). https://doi.org/10.55227/ijhet.v4i6.638