Sarweningtyas, P. A. S., A. K. Zulkarnain, and Ritmaleni. “Physical Properties, Stability, and Activity of Octyl Methoxycinnamate and Hexagamavunon-5 Combination Sunscreen Emulgel Formulation: In Vitro and In Vivo Evaluation”. Indonesian Journal of Pharmacy, June 2025, doi:10.22146/ijp.18921.