Lifestyle
Sunscreen on Lips
for Cold Sores
Applying SPF 15+ lip balm or sunscreen to lips before sun exposure to prevent UV-triggered outbreaks.
How it works
UV radiation is a known trigger for HSV-1 reactivation. Blocking UV exposure prevents one of the most common triggers for recurrent cold sores.
What to watch for
Most effective as ongoing prevention rather than treatment. Must be applied before UV exposure to be effective.
Community experience
Other remedies for Cold Sores
See all 10 remedies →WikiRemedy surfaces community experience, not medical advice. Always consult a qualified health professional.