Dressing polyurethane consists of two layers: the outer surface is a microporous polyurethane membrane and the inner is an acrylic film adhesive to facilitate attachment to the skin Reduction hypertrophic scars recent or old, or keloid caused by burns, surgery generally, cosmetic surgery or traumatic wounds the dressing protects scars from sunlight, is flexible and resistant to water the dressing can be cut to adapt its size to the desired area: reduces the height and softens scar color. Reduces the discomfort caused by the scar does not contain drugs: it acts through a physical mechanism