Description Protect your wounds from contaminants with this Dermagran-B Wound Dressing. This wound dressing can either be used as a primary dressing or filler for chronic and acute wounds. It has a zinc-nutrient dressing formulation and balanced pH technology to provide a moist, mildly acidic environment which improves wound healing. It also contains Vitamin A, B6, magnesium, and calcium which helps protect your skin.