Syafa Nadira Ashiilah, Rafita Yuniarti, Minda Sari Lubis, and Zulmai Rani, “Formulation And Evaluation Of Anti-Aging Face Spray Preparation With Ethanol Extract Of Shoe Flower (Hibiscus Rosa-Sinensis L.) And DPPH Method Antioxidant Activity Test”, Jurnal EduHealth, vol. 16, no. 01, pp. 75–89, Jan. 2025.