Nora Pereira Pinto, N. P. P.; Tatiana Siska Wardani; Bangkit Riska Pertama. Formulation And Test Of Antioxidants And Effectiveness Of Toner Preparations From Pumpkin Fruit Extract (Cucurbita Moschata Duch) Using The Dpph (2,2 Diphenyl - 1-Picrylhydrazyl) Method. IJHET 2026, 5.