Preferred wound ointment/powder?

My boy has a superficial wound on his chest about the size of a golfball. What’s a good treatment to put on it? Preferably available at TSC. Not sure if I can post a pic here or not. Skin is peeled back.

My boy has a superficial wound on his chest about the size of a golfball. What’s a good treatment to put on it? Preferably available at TSC. Not sure if I can post a pic here or not. Skin is peeled back.