 [ Symptoms ] can the application of the product biofreeze to the penis cause long term damage  during a sexual encounter the pain relieving gel was applied to my penis and it has been a few day since the experience and the pain still persists [ Disease ] is not sex pleasurable enough without putting menthol on your penis your partner may not like this cooling sensation either is it harmful i suspect it is fine but i seriously doubt that the company tested this product on genitals it is usually for sore joints and muscles one can have allergic or adverse responses to any product that is used for something that it was not indeed to be used on so obviously your menthol days may be over this unpleasant sensation should end soon try a little over the counter hydrocortisone cream to relieve the inflammation