what essential oil is good to diffuse for congestion?
['Peppermint oil. Share on Pinterest Inhaling peppermint oil can help to open the airways and clear mucus. ... ', 'Eucalyptus oil. ... ', 'Tea tree oil. ... ', 'Oregano oil. ... ', 'Clary sage. ... ', 'Lavender oil. ... ', 'Rosemary oil.']