Compeed Cold Sore Patch is the original invisible healing patch for treating cold sores. Its Hydrocolloid-075 technology acts like a second skin, sealing your cold sore to accelerate your body's natural healing process. Clinically proven to provide 7 benefits: 1. Heals fast. 2. Instantly helps hide cold sores. 3. Relieves pain. 4. Reduces tingling, itching & burning. 5. Reduces redness, swelling & blistering. 6. Helps prevent scabbing and crusting. 7. Reduces risk of contamination from the wound. A patch stays on for up to 8 hours, but individual experiences may vary. Size 15 Pack Directions Easy to apply. Do not apply cream before use.With mirror inside. Peel off blue foil on mirror.Make-up or lipstick can be applied over the patch.Leave patch on until it detaches itself from the skin.