"There is good evidence to support using aloe vera for oral health problems," says AGD spokesperson Kenton A. Ross, DMD, FAGD. "I believe a number of patients will be interested in this inexpensive alternative."

Aloe vera accelerates healing and reduces pain associated with cold sores, which are blisters on the lips or around the mouth. Aloe vera does not have a bad taste or sting when applied.

Reviewed: January 2012