Freon is certainly capable of causing rather significant injury to the skin. There are several phases through the normal process of wound healing and many of these phases may take up to a year to year and a half until the wound is totally closed and remodeled. During that period of time patients can often experience itching in the healing area I can only suppose that this is the reason why you are using gold bond your wounds. Keep in mind that these injuries are burns, though not caused by fire but caused by the freezing temperature of the Freon, they behave in the same fashion. Often a person who is recovering from a burn will have a gene in the affected area for a protracted period of time. Typically this itching responds well to oral antihistamines such as Benadryl, Allegra, or Zyrtec. Furthermore, the damaged area of skin has difficulties with auto regulating blood flow associated with increases or decreases in temperature. This may be why you see any increase appearance of the area with various activities.