How to cure chapped lips fast : To quickly cure chapped lips, follow these tips. Stay hydrated by drinking plenty of water. Apply a thick layer of lip balm or petroleum jelly regularly to lock in moisture. Avoid licking your lips, as it can make them drier. Use a humidifier to add moisture to the air. Exfoliate gently with a soft toothbrush or a lip scrub to remove dead skin. Protect your lips from harsh weather conditions with a scarf or lip balm containing SPF.