What causes dry, flaky lips all year round?

Lips dry and peeling all year round may be caused by physiological factors such as environmental dryness, or it may be caused by diseases such as lipitis and xerostomia.
1. Physiological factors: the environment is cold, dry, often licking and biting lips and other physiological factors, may cause the phenomenon of dry lips all year round peeling.
2. Lipitis: caused by external stimuli, wind and sun, endocrine disorders, bacterial infections, allergic reactions and other factors, appearing in the patient’s lips repeated dryness, flaking, swelling, itching and other symptoms, manifested in the lips dry and peeling all year round.
2. Keratitis: bacterial infection, trauma, contact with allergens, malnutrition and other factors may induce keratitis, manifested in the corners of the mouth area congestion, edema, lip red part of the dry cracking and flaking, etc., appearing lips dry and peeling symptoms throughout the year.
Patients with dry and flaky lips all year round are advised to go to a regular hospital to identify the cause of the disease under the guidance of a doctor.