Windy Marcella, Bangkit Riska Permata, & Annie Rahmatillah. (2026). Formulation And Antioxidant Activity Testing Of Ethanol Extract Moisturizing Gel From Kesum Leaves (Polygonum Minus Huds.) Using The DPPH (2,2-Diphenyl-1-Picrylhydrazyl) Method. International Journal of Health Engineering and Technology, 4(6). https://doi.org/10.55227/ijhet.v4i6.684