Campho Phenique Cold Sore and Fever Blister Treatment for Lips, Maximum Strength Provides Instant Relief, Helps Prevent Infection To Promote Healing, Original Gel Formula, 0.23 Oz Honarry Great to create celebratory atmosphere Color:2102 GG Great to create celebratory atmosphere Working Voltage: 3 Instant Relief: Formulated with camphor and phenol to temporarily inactivate the pain signals at the nerve endings in the skin to provide a local anesthetic (numbing effect) that stops the pain and itch of cold sores and fever blisters on contact Aloe Soothes and Moisturizes: Prevents dryness and cracking as cold sores and fever blisters dry out