Aftamed  provides effective relief from painful mouth blown.
Aftamed has in studies, as the first product, proven effect on cold sores

Apply 2 or 3 times a day, or more if required, after meals, for one week or until the symptoms disappear. If the pain persists, the product can be safely applied several times a day.

Hyaluronan sodium salt (High Molecular Weight) 30mg/100g

Avoid Eye Contact