Decongest is a topical therapeutic medicinal grade essential oil blend. It’s formulated with only essential oils of eucalyptus, pine and peppermint.it penetrates thru the skin. It is very effective for sinuses, allergies respiratory conditions and cold sores. Your body will love the invigorating tingling sensation that permeates through the body.this multi-purpose spray can also be used as a insect repellant, air disinfectant and you can add it to your bath water or to liquid soap.