Eucalyptus oil is a natural essential oil derived from the leaves of the eucalyptus tree, primarily the species Eucalyptus globulus. It is known for its strong, fresh scent and is commonly used in aromatherapy, household cleaning products, and personal care items. The oil contains compounds like eucalyptol, which contribute to its medicinal properties. This oil is often used for its potential health benefits, including relieving respiratory issues, reducing inflammation, and acting as a natural insect repellent. Additionally, eucalyptus oil is popular in massage therapy for its soothing effects on sore muscles and joints.