TREATS COLD SORES/FEVER BLISTERS ON THE FACE OR LIPS. SHORTENS HEALING TIME AND DURATION OF SYMPTOMS: TINGLING, PAIN, BURNING, AND/OR ITCHING. ONLY FDA APPROVED MEDICINE TO SHORTEN HEALING TIME.* PORTABLE CONVENIENT PUMP. *CONTAINS THE ONLY OTC MEDICINE APPROVED BY THE FDA TO SHORTEN HEALING TIME AND DURATION OF SYMPTOMS.