Give cold sores the cold shoulder! Campho Phenique Cold Sore Treatment Gel alleviates pain and discomfort on contact while soothing and moisturizing the surrounding skin to prevent painful cracking and peeling as the cold sore dries out. Campho Phenique has been trusted by families for instant relief from painful cold sores and fever blisters for over 130 years. Camphorated phenol (camphor 10.8% and phenol 4.7%) is the active ingredient in Campho Phenique. It is a powerful pain reliever that temporarily helps inactivate the pain signals at the nerve endings in the skin, providing a local anesthetic or numbing effect to help prevent cold sore pain on contact. It also has antiseptic properties to help stop infection to promote efficient healing of cold sores and fever blisters. Campho Phenique also includes aloe (aloe barbadensis leaf extract) to moisturize as cold sores or fever blisters dry out. If you like Campho Phenique cold sore and fever blister treatment for lips try Campho Phenique Antiseptic Liquid, a fast-absorbing liquid that relieves the pain and itch on contact from sunburn, insect bites, minor cuts, scrapes, and minor burns.