Menthol is a naturally derived aromatic compound valued for its cooling, analgesic, and decongestant properties. It is commonly incorporated into topical ointments, balms, lozenges, inhalants, and aromatherapy products. Depending on the form purchased—crystals, solutions, or formulated preparations—menthol is applied externally or inhaled for temporary relief of minor congestion and muscle discomfort. Follow product instructions and safety guidelines.