This study evaluated the antifungal effectiveness of Allium sativum (garlic) and Citrus sinensis (orange peel) extracts as ingredients in an eco-friendly mold remover spray against Aspergillus niger. Guided by the Input–Process–Output (IPO) framework, the study employed an experimental research design to determine the effectiveness of different extract concentrations and combinations. Garlic and orange peel extracts were prepared through ethanol extraction and tested using the paper disk diffusi