20. Basil Leaves
Basil leaves, which are also called Tulsi, are popular for their antiviral and antibacterial properties. They can help promote healthy liver function, fight cancer, boost the immune system and even lower fever. When used as a cold sore remedy, basil leaves work to combat the pain that is associated with the fever blisters, lessen the chances of spread, as well as shortened periods of healing. Just take some basil leaves, boil them in water to make a tea and simply drink it. You can also make a paste out of the leaves which can be placed directly on the sores as well to help with both drying them out and getting pain relief.
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