research Addition of Zinc and Selenium to Papaya Extract Enhances Its Efficiency of Wound Healing August 2009 Adding zinc to papaya extract speeds up wound healing.
research Chromolaena Odorata Layered-Nitrile Rubber Polymer Transdermal Patch Enhanced Wound Healing In Vivo March 2024 in “PloS one” The Chromolaena odorata patch significantly speeds up wound healing.