When our guard is down, the dormant virus strikes. About one-third of all Americans get cold sores from time to time. They are the most common problem that the lips have. Here are a few things that you can do to settle the score with cold sores. Block that ray.
Sunlight is the most preventable of the triggers that can set off a cold sore.
To disarm the light, just use a sunblock , suggest Dr. Bihova. But make sure that it's a sunblock and not just a sunscreen. Sometimes companies use the words interchangeably. Look for zinc oxide or titanium dioxide in the ingredients. Cold sores are infectious when they blister, and you can infect both others and yourself.