Cracking Skin and Chapped Lips? Your Vitamins Might Be the Culprit! If your skin often cracks or your lips get chapped, you might be dealing with a vitamin deficiency. Low levels of Your lips can speak louder than you think Dry, cracked, pale, or dark each tells a story about your inner health. From vitamin deficiencies to hydration issues, your lips are Dry lips can often be a sign of certain vitamin deficiencies. The most common deficiencies associated with dry lips include: B Vitamins: Deficiencies in B vitamins, particularly B2 (riboflavin), B3 Zara Cracked Lips Symptoms, Causes, Treatments