Formulation and Physical Evaluation of Halal Gel Mask Preparation with Centella Asiatica (L.) Urb Leaf Extract Using HPMC Combined with PVA. PHD [Internet]. 2024 Jun. 30 [cited 2025 Sep. 10];1(01):1-12. Available from: https://journal.rekammedis.net/index.php/phd/article/view/4