Xeroform Occlusive Petrolatum Gauze Dressing helps protect and promote moist wound healing. Xeroform Occlusive Petrolatum Gauze Dressing is a non-adherent dressing that contains 3% Bismuth Tribromophenate in a petrolatum blend on fine mesh gauze. Non-adherent and non-traumatic to the wound and patient upon removal. Clings and conforms to all body contours. Bacteriostatic action in light exuding wounds. Sterile