Help prevent infection in minor cuts scrapes and burns with Polysporin First Aid Antibiotic Ointment. This topical skin ointment combines the power of the antibiotic ingredients bacitracin zinc (500 units/gm) with polymyxin B sulfate (10 000 units/gm) for first aid antibiotic power that is neomycin-free. Polysporin First Aid Antibiotic Ointment is the #1 dermatologist-recommended first aid ointment for infection protection. Simply apply a small amount of wound care ointment on the affected area one to three times a day cover with a sterile bandage and enjoy infection protection. This ointment makes a great addition to a first aid kit or wound care supplies.