www.valleyvet.com search for chlorhexidine. It's good for cleaning everything from cages to wounds.

You can also get small bottles of it from your local pharmacy. You will dilute it per the instructions on the bottle, should be a sky-blue color.

Even if you just cleaned the enclosure, put paper towels or newspaper in. It's less irritating to the skin and won't hold in bacteria as much as wood will. Viva paper towels are nice and cloth-like for snakes recovering from burns or other wounds.

DO NOT use peroxide. Peroxide is only good for getting blood out of clothes and for making dogs throw up. It causes tissue destruction because it can't tell between dead tissue and healthy tissue.

Use diluted chlorhexidine or diluted betadine. Both can be found at your pharmacy. It is a surgical scrub used to disinfect.

Soak the snake in it and scrub the affected area gently but firmly with a clean, chlorhexidine-soaked paper towel or gauze. This will get the disinfectant up into the wound and prevent infection.

Afterwards, lube the snake up liberally with neosporin or sulfadene. (Sulfadene is a burn cream you get from your vet or your human doctor)