2) Refrain yourself from licking the lip. This will damage the protective barrier and dry out the lip.

3) Use a lip care product with SPF daily to prevent chap or crack, especially before exposure to dry environment and sun.

4) Use lip care under lipstick.

5) Use a medicated lip care product to treat sore or already chapped lips.

6) Use lip exfoliator when necessary to slough off dead and dry skin. But if you have
sensitive skin or your lips are severely chapped or cracked, use these products cautiously.