"The product worked good as advertised. I can only speak from personal experience. There was some relief from the product. The only issue I found was that the patch dissolved rather quickly, meaning,"... (read full reviews)
"It's ok....not the best, but I would use it, if it was on hand. I get very large canker sores, and it relieves some of the pain, but doesn't last very long. It's about as good as store brands."... (read full reviews)