Optimasi Formula Serum Wajah Menggunakan Ekstrak Etanol Daun Kelor (Moringa oleifera L.) sebagai Pelembap Kulit: Optimization of Face Serum Formula Using Ethanol Extract from Kelor Leaves (Moringa oleifera L.) as a Skin Moisturizer. jff [Internet]. 2025 Dec. 30 [cited 2026 Apr. 5];3(2):129-43. Available from: https://ejournal.gunadarma.ac.id/index.php/jff/article/view/139