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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. JFSI 2024, 7, 134-140.