Compeed High Heel Plaster 5. Plaster with advanced Hydrocolloid technology for instant pain relief and accelerated healing.. The Compeed Blister Plaster with advanced Hydrocolloid technology acts like a second skin to support the natural moisture balance, to relieve blister pain immediately, and to protect and cushion against rubbing. Compeed Hydrocolloid technology is an active gel with moisture absorbing particles. The unique butterfly-shaped design with translucent edges fits under the Achilles for ultimate discretion. Individual experience may vary.. Benefits and Features. Relieves pain instantly. Offers fast wound healing. Stays in place for several days