Used in perfumery for its woody, pine-like aroma, guaiol serves as a fragrance ingredient in soaps, cosmetics, and personal care products. It is also investigated for its potential antimicrobial properties, making it useful in natural preservative formulations. In aromatherapy, guaiol is valued for its calming scent and is sometimes included in essential oil blends for respiratory support. Additionally, it has been studied for its possible anti-inflammatory effects, suggesting potential in topical therapeutic applications.