Saponarin is primarily used in cosmetic and skincare formulations due to its antioxidant and anti-inflammatory properties. It helps protect the skin from oxidative stress caused by environmental factors such as UV radiation and pollution. Its ability to inhibit certain enzymes involved in melanin production makes it useful in skin-brightening and depigmenting products, helping to reduce the appearance of dark spots and promote a more even skin tone. Additionally, saponarin has shown potential in pharmaceutical research for its hepatoprotective and neuroprotective effects, supporting its use in developing treatments for liver and neurological disorders. It is also studied for its role in plant defense mechanisms, which contributes to its stability and functionality in natural product applications.