what oil cures cold sore
The antiviral constituents in peppermint oil make it a great tool for healing cold sores. A 2013 study published in Phytomedicine tested peppermint oilâs inhibitory activity against HSV-1 and HSV-2. Researchers found that peppermint oil exhibited high levels of virucidal activity against both HSV-1 and HSV-2.
Now that you know tea tree oil for cold sores is an effective remedy, it is equally important to understand how to use it. 1  Take a cotton swab and apply some tea tree oil on it. Use it when you notice any itching or tingling sensation on your skin. 2  Continue with the same procedure several times a day.