Hardianti N, Henny H, Delfian T. Effectiveness of Dermapen Action Using Green Belt Leaf Extract Cream (Piper betle L) On Hair Growth on The Skin Surface of Female Wistar Strain Rats (Rattus Norvegicus). IJHP [Internet]. 2024 Aug. 28 [cited 2026 Feb. 4];4(3):541-6. Available from: https://ijhp.net/index.php/IJHP/article/view/311