28. Apply Sunscreen
A number of people that have recurring fever blisters often find that exposure to sunlight is a strong trigger for them to appear. This is mostly due to the ultraviolet rays from the sun that directly hit the sensitive skin and cause an outbreak to happen. It’s important for those that are prone to getting cold sores to use sunscreen around the face, as well as on the lips via lip balms that contain at least SPF 15. Be sure to reapply this all throughout the day, especially if you know you’re going to be under the sun for lengthened periods of time.
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