Dry, cracked lips are caused by a variety of issues ranging from cold or dry weather and sun exposure to certain medications. Unlike the skin, the lips do not produce oils to protect against drying so they are more sensitive to drying elements. Formula II contains a high concentration of mineral oil which helps to moisturize the lips. It is also formulated with three waxes that form a barrier that protects against further irritation. Formula II does not contain any irritating or drying agents and is Camphor-, Menthol- and Fragrance-free. Dry Cracked Lips: Unlike the skin, the lips do not produce oils to protect them against drying Often occur in cold, windy or dry weather Sun exposure can contribute to chapped lips Can be caused by certain medications such as Accutane, Amnesteem, Claravis and Sotret Licking your lips may make the situation worse Benefits Due to the high concentration of mineral oil, Formula II moisturizes the lips Formulated with 3 waxes that act as a barrier and help prevent further irritation Does not contain any irritating or drying agents Camphor, Menthol and Fragrance free Usage Apply at least twice a day Apply to lips before going outside Reapply several times while outside