Used in research for its antioxidant properties, fustin helps protect cells from oxidative stress. It is studied for potential anti-inflammatory effects, making it relevant in developing treatments for chronic inflammatory conditions. Fustin also shows inhibitory activity against certain enzymes involved in melanin production, which supports its use in cosmetic applications for skin brightening and reducing hyperpigmentation. Additionally, it serves as a natural dye in textiles due to its stable color properties. Ongoing studies explore its role in managing metabolic disorders like diabetes, thanks to its ability to influence glucose metabolism pathways.