Najih, Yuli Ainun, et al. “Sunscreen Lotion Formulation Optimization, Physical Stability, and Irritation Testing Combining Benzophenone-4 With Octocrylene ”. PHARMADEMICA : Jurnal Kefarmasian Dan Gizi, vol. 5, no. 2, Mar. 2026, pp. 181-94, doi:10.54445/pharmademica.v5i2.153.