Compeed Invisible Cold Sore Patch delivers up to 12 hours of continuous treatment to heal fast and significantly reduce scabbing compared to anti-viral creams. And, because it acts like a virus shield, the patch reduces the risk of contamination from the cold sore. Compeed Cold Sore Patch is a breakthrough invisible patch that uses a patent-pending ingredient ultra thin hydrocolloid-075 to treat cold sores from start to finish. Applied with a patent-pending no-touch design, butterfly applicator, the Compeed Cold Sore Patch reduces risk of cross contamination associated with touching the sore. Once applied, the patch covers and seals the cold sore, and provides healing benefits at each stage of the cold sore outbreak. Soothes burning and itching. Promotes faster healing.