Formulasi Masker Gel Peel-Off Ekstrak Etanol Daun Petai Cina (Leucaena leucocephala (Lam.) De Wit.) sebagai Antijerawat terhadap Pertumbuhan Bakteri Propionibacterium acnes: Formulation of Peel-Off Mask Gel with Ethanol Extract of Chinese Petai Leaves (Leucaena leucocephala (Lam.) De Wit.) as an Anti-acne Against the Growth of Propionibacterium acnes Bacteria. J. Sains. Kes. 2024;6(1):74-84. doi:10.30872/j.sains.kes.v6i1.255