According to the Mayo Clinic, the best remedies for chapped lips are the application of lip balm and staying hydrated. It is also a good idea to avoid licking the lips, avoid allergens and to breathe through the nose.
The root cause of chapped lips is dryness. Lips lack oil glands and other natural protection, so it is quite easy for them to dry out. Licking and breathing through the mouth exacerbate the symptoms of chapped lips, as does being dehydrated. In addition to lip palm, home remedies such as coconut oil or olive oil can be effective in restoring moisture to cracked lips.