Discuss this with your chosen plastic surgeon. They will be able to get you in contact with the anesthesia team that will assist in your surgery. They will be able to discuss the many options for anesthesia that are available to you. As a general rule anesthesia is safe for an otherwise healthy...
Try Corn Starch...yes, the regular corn starch you buy in the grocery store. Its great to keep the moisture down, its cheap and it works. You can mix it with Nystatin powder if yeast really is a problem as well. Good luck.