. . . "The new cream is Silver Sulfadiazine.Before the cream was available from my pharmacy (a 2-day wait), the prescription for my underarm was to put a kind of dressing over the area, called Xeroform, which is a yellow gauze impregnated [their word, not mine] with 3% Xeroform (Bismuth Tribromophenate) in a petrolatum blend." .