What cause dry and chapped lips?

Singapore is a country with whole year of summer. Frequent sun exposure in the summer can also worsen your lip condition. Another common cause of chapped lips is habitual licking. Saliva from the tongue can further strip the lips of moisture, causing Singapore is a country with whole year of summer. Frequent sun exposure in the summer can also worsen your lip condition. Another common cause of chapped lips is habitual licking. Saliva from the tongue can further strip the lips of moisture, causing more dryness.