Aura Cacia Essential Oil Lemon Eucalyptus is a 100% pure essential oil that has a refreshing and awakening scent. With a citronella-like aroma, this essential oil adds a lemony tone to the familiar penetrating scent of eucalyptus. Use it in a mister or candle lamp diffuser to spread the scent throughout your home. This essential oil is perfect for those who want to create a relaxing and refreshing atmosphere in their home.