Campho-Phenique Pain Relieving Antiseptic Liquid stops pain and fights infection as a result of minor cuts, scrapes, burns and sunburns. It also relieves the itch that can result from contact with insects like mosquitos, fleas and chiggers. Campho-Phenique provides a cooling sensation upon application for immediate relief. Once it has been applied to skin, do not cover it with a bandage. Instead, let it breathe and heal. Campho-Phenique Antiseptic Gel has similar properties in gel form. Meanwhile, Campho-Phenique Cold Sore Treatment with Drying Action dries cold sores without causing cracks, which can lead to further infections and pain. It also relieves cold sore pain with maximum strength pain relief. Like other Campho-Phenique products, apply Campho-Phenique Cold Sore Treatment with Drying Action to the skin, but do not cover it with a bandage.