Ellagic acid hydrate is widely used in the cosmetic industry for its antioxidant properties, helping to protect the skin from damage caused by free radicals and UV radiation. It is also incorporated into skincare products to reduce signs of aging, such as wrinkles and fine lines, by promoting collagen production.

In the food industry, it serves as a natural preservative due to its ability to inhibit the growth of certain bacteria and fungi. Additionally, it is added to health supplements for its potential benefits in supporting cardiovascular health and reducing inflammation.

Research has explored its role in cancer prevention, as it may help in inhibiting the growth of cancer cells and inducing apoptosis. Its applications extend to the pharmaceutical sector, where it is studied for its anti-inflammatory and wound-healing properties.