Dry, cracked lips that won’t heal might be because of your lip balm! Allergies to lip balm are relatively common and take some time to show up, so you don’t always connect the dots. Common allergens in lip balms include fragrances, flavorings, and lanolin. This is why plain petroleum jelly is the most practical choice for healing dry, cracked lips, as it contains no potential allergens or skin irritants. Frequent lip licking or drooling can also contribute to persistent chapped lips. Certain foo