Okso Im 21 years old with this problem, i had it since middle school. What seems to work for me is using vaseline on my lips, i leave it there for like a hour, then ill get tissue and wet it with cold water and rub it in a circular motion on my lips. I do this like 3 or 4 times a day. It helps prevent the build up. Another thing to do is make sure your getting alot of sun. the sun helps relieve inflammation of skin. That's all i do guys, i havent had build up in a long time. Ask any questions im here. Stop leaving your lips dry, even people with normal lips get peeling lips. Dont be worried about rhis problem. Live your life