its just crap that you need to get off. id ont know man im getting tired of answering question you may get a little dead skin after every 3 days that you just nibble off, there is no biting of the lips involved it should last for like 2 or 3 weeks eventually you wont get any dead skin. did I say to use chapstick with a lot of saliva? do that. you will know how much to use.