Nabila , S., Z. Rani, M. S. Lubis, and R. Yuniarti. “Formulation of a Nanogel Mask Preparation from Ethanol Extract of Jambu Nasi-Nasi Fruit (Syzygium Zeylanicum (L) DC) As a Skin Moisturizer”. Journal of Pharmaceutical and Sciences, vol. 9, no. 2, June 2026, pp. 1528-47, doi:10.36490/journal-jps.com.v9i2.1592.