Protopanaxdiol is widely used in the pharmaceutical and nutraceutical industries due to its potential health benefits. It is a key metabolite of ginsenosides, which are active compounds found in Panax ginseng. This compound is primarily recognized for its anti-inflammatory, anti-cancer, and neuroprotective properties. In cancer research, it has shown promise in inhibiting the growth of various cancer cells and inducing apoptosis, making it a candidate for developing anti-cancer therapies. Additionally, its neuroprotective effects are being explored for treating neurodegenerative diseases such as Alzheimer's and Parkinson's. In the cosmetic industry, it is utilized for its skin-soothing and anti-aging properties, often incorporated into creams and serums. Its ability to reduce oxidative stress and inflammation also makes it a valuable ingredient in dietary supplements aimed at enhancing overall health and immunity.