(±)-Catechin hydrate is widely used in the food and beverage industry as a natural antioxidant to enhance the shelf life of products by preventing oxidation. It is also incorporated into dietary supplements due to its potential health benefits, including supporting cardiovascular health and reducing inflammation. In the cosmetic industry, it is utilized in skincare formulations for its anti-aging properties, helping to protect the skin from oxidative stress and UV damage. Additionally, it finds application in research studies focused on understanding its role in combating oxidative stress-related diseases and its potential as a therapeutic agent.