Delphinidin 3-O-glucoside is widely used in the food industry as a natural food colorant due to its vibrant blue-purple hue. It is commonly added to beverages, confectionery, and dairy products to enhance their visual appeal. In the cosmetics industry, it is incorporated into skincare products for its antioxidant properties, which help protect the skin from oxidative stress and environmental damage. Additionally, it is studied for its potential health benefits, including anti-inflammatory and cardiovascular protective effects, making it a valuable component in nutraceuticals and dietary supplements. Its natural origin and bioactive properties make it a preferred choice in various applications.