Popping your cold sore can lead to scarring and infection. Remember, cold sores are contagious so you risk spreading them to other parts of your body or other people by touching them.

Cold sores affect about 80 percent of the United States and seem to pop up out of nowhere. But what is the best cold sore treatment? Vogue speaks to dermatologist, Dr Emma Craythorne, to learn ...

Cold sores, most commonly caused by the herpes simplex virus type 1 (HSV-1), often pop up around the lips or mouth.