Drug free. Natural sinus care. Oregano, eucalyptus, tea tree, & parsley oils. 20 years. 2000 - 2020. No. 1 also use our best selling natural xylitol nasal spray. Why Xlear Rescue? Since 2002 Xlear Nasal Spray has been the leading saline spray with xylitol. Xlear Rescue combines xylitol with pau d'arco and four important essential oils for a stronger more natural solution. Those who understand the health benefits of essential oils like oregano, tea tree, and eucalyptus will want to use Xlear Rescue for improved upper respiratory health. No rebound. Non-addictive. Not a drug. It's natural. New. Best selling xlear with the added benefits of essential oils. Oregano oil. Parsley oil. Eucalyptus oil. Tea tree oil. Pau D'Arco. Frontal sinus. Ethmoid sinus. Sphenoid sinus. Maxillary sinus. Fast sinus relief and 35% increase in airflow (Find clinical studies at Xlear.com). BPA-free.