Formulation and Physical Stability Test of Peel-Off Gel Mask Ethanol Extract of Avocado Leaf (Persea americana Mill) with PVA-HPMC Matrix. J. Ilmu Kesehat. Bhakti Setya Med. [Internet]. 2019 Sep. 1 [cited 2026 Aug. 24];4:14-28. Available from: http://jurnal.poltekkes-bsi.ac.id/index.php/bsm/article/view/68