The wrinkles could be stuck shed or he could be dehydrated. What is your setup like? Temps and humidity? Be careful if the Tupperware dish for water. They tend not to be heavy enough and the snakes will tip them over. I use the crock dog dishes from Wal-Mart that are under $2. They work perfect. You could mist his enclosure to bump up the humidity. Also, if you could get a picture it might help.