What does it look like?

Herpes blisters can look really dreadful, but we would not like to start this blog with pics which could frighten you off the very moment you came here. So, here's one which gives a perfect idea of what a typical cold sore can look like, and does not fill the audience with utter disgust at the same time. A little sore spot on the upper lip. A very familiar thing, isn't it?