High-purity Eucalyptol (≥99.5%) is used as a reagent in analytical chemistry for the determination of o-cresol. It is also employed in cough suppressants and expectorants due to its ability to loosen mucus and soothe throat irritation. Common ingredient in mouthwashes and dental products for its antimicrobial properties and fresh scent. Found in topical pain relief formulations for arthritis and muscle aches, often combined with other analgesics. Acts as a penetration enhancer in transdermal drug delivery systems. Employed in aromatherapy for respiratory support and mental clarity. Used as a natural pesticide and insect repellent in agricultural and household settings. Serves as a flavoring agent in food and chewing gums for its minty, cooling taste. Also utilized in cleaning products for its deodorizing and solvent properties.