Rosmanol is a natural phenolic diterpenoid compound derived from rosemary (Rosmarinus officinalis), widely recognized for its potent antioxidant properties, making it valuable in the skincare and cosmetic industries. It is commonly incorporated into anti-aging products to protect the skin from oxidative stress caused by free radicals, thereby reducing the appearance of wrinkles and fine lines. Additionally, its anti-inflammatory effects make it suitable for soothing irritated skin and treating conditions like acne or redness. In the pharmaceutical field, rosmanol is studied for its potential to combat oxidative damage in cells, which could contribute to the prevention of chronic diseases. In the food industry, it may be used as a natural preservative due to its antimicrobial properties, helping to extend the shelf life of food products safely. Its application extends to dietary supplements, where it is used to promote overall health and well-being by enhancing the body's natural defense mechanisms against oxidative stress.