Compeed Corn Moisturising Plasters: The hydrocolloid technology is an active gel which improves moisturisation. Compeed plaster acts like a second skin to support the natural balance. Compeed Corn Moisturising Plasters Benefits: Protect & cushion against rubbing & pressure. Relieve corn pain instantly. Moisture & soften the corn, helping its removal Stays in place for over 24 hours. Individual experience might vary.