Trista (Sydney, Australia ) on 09/13/2022:

I usually drink coffee but like to have tea sometimes.

I had a cold sore a few weeks ago and didn't have lemongrass that I usually use on them.

After having a few sips of black tea I realised the swelling feeling was gone.. so I put some directly on the sore. It basically stopped the progression of the coldsore and started healing.

I tried it again today after having another one pop up, it didn't disappoint and is healing.

Apparently the tannins in the tea kill off the coldsore virus.