I think this is the correct group for my question. My wife suffers from cold
sores and finds she experiences particularly bad outbreaks if she uses gel
or 'extra minty' types of toothpaste. She is OK when using the less bracing
coolmint type.

Has anybody tried any/all of the following:
Tetrasil (http://www.tetrasil.com)
Herpasil (http://www.herpasil.com)
Phyto-Clear (http://www.phytohealing.com)