Loss of moisture in the skin of the lips causes dry chapped lips. It happens due to exposure to sun, cold and dry weather, repeated licking, nutritional deficiency and hormonal imbalances.
Put some aloe vera juice/gel over your lips. Aloe vera helps in maintaining the moisture of the lips.
Apply lip balm regularly to sustain the moisture of the lips before going out. Your lip balm should be unflavored and must have sunscreen.
Dehydration can cause dryness of lips. Have plenty of water during the day. This will make your lips supple and moist.
Make sure you eat a healthy diet and get plenty of vitamins and minerals because vitamin and mineral deficiencies can cause scaling of lips and cracking of lip corners.
Apply coconut oil on your lips during winters because dry lips occur in a dry and cold atmosphere. It will cure dry lips instantly.
Don't lick your lips. Saliva evaporates quickly and digests the thin membrane protecting the lips, leaving them drier than before you licked them.
Avoid using lipsticks that can dry out your lips. Some brands may lead to chapped and dry lips, so read packaging before a purchase.
Don't smoke as smoking evaporates any natural oils on the lips.
Avoid the dry, cold weather that can cause dry lips. Before you go out, coat your lips with a lip balm.
Moisturise your lips by drinking additional fluids in the winters.
Try apply fresh butter on dry lips to make them smooth.