Vashti and others — if you are trying to substitute for gauze, a clean white undershirt is a better guess than a plastic shopping bag.
Bacitracin is petroleum-based and I would NOT put it on a fresh burn that can still be cooled!
Re Silvadene — I’ve been told Dr. Bulmash (BP pediatrician) has used colloidal silver on bad diaper rash.
–Halevia