The bactericidal effect of the high-power diode laser light kills the herpes virus through heat.
The visual effect is an immediate drying of the infected area, which testifies that the operation was a success. Healing takes less than half the time compared to any other treatment, but the biggest benefit is for the patient, who will no longer experience the typical pain and burning sensation of herpes labialis.
The same treatment is used to heal mouth ulcers - aphthae - giving the patient immediate pain relief with a subsequent improvement in one’s daily life.