shyheim, sorry I have to put this bluntly. Have you gone completely insane? Dont get your lips frozen! What if they go too deep, it will leave you scarred and disfigured for life! What would be the difference between killing a few layers of skin by freezing, opposed to just ripping off skin on our lips and making them bleed, like most of us have done at one time or another.
Do you have a good feeling about this? You know your gut feeling (your intuition). The answer I bet is probably no.
If you have the same, half of both lips keep peeling and turn white when water touches them skin condition as most of us have, then I highly advise against this complete insanity :)
Im sorry if I offended you, but I had to voice my opinion.