Dehydrocostus lactone is widely used in traditional medicine for its anti-inflammatory and anticancer properties. It is often incorporated into herbal remedies to treat conditions like asthma, bronchitis, and gastrointestinal disorders. In cancer research, it has shown potential in inhibiting the growth of tumor cells, making it a subject of interest for developing new therapeutic agents. Additionally, it is utilized in the cosmetic industry for its skin-soothing and anti-aging effects, often included in formulations aimed at reducing inflammation and promoting skin health. Its antimicrobial properties also make it valuable in natural preservatives for various products.