S. Nabila, 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”, JPS, vol. 9, no. 2, pp. 1528–1547, Jun. 2026.