SABITI, F. B.; JUARTI, I. B.; ALFA, Z. S. Optimization of Facial Toner Preparation of Gotu Kola Leaves (Centella Asiatica) as Anti-Acne with Variations of Polysorbate 20 and Glycerin Using the Simplex Lattice Design Method. Jurnal Farmasi & Sains Indonesia, [S. l.], v. 7, n. 1, p. 134-140, 2024. DOI: 10.52216/jfsi.vol7no1p134-140. Disponível em: https://www.journal.stifera.ac.id/index.php/jfsi/article/view/338. Acesso em: 7 jul. 2025.