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Sunlight can trigger cold sores

Sunlight can trigger cold sores

Sunlight can trigger a cold sore, even a watery winter sun.

Research shows that three quarters of people have no idea that the sun can be a factor that makes you more likely to get cold sores.

Are you going on winter sports soon? Don't forget to bring a lip balm with SPF, so you reduce the chance of getting a cold sore.

Read also

  • Is it true that you get cold sores faster in the summer?
  • What to do against a cold sore?