When the moisture on the lips is dried up it makes the lips very dry. The dryness then causes shrinking of cells around the lips. When the cells shrik it causes wrinkles. Hence, always keep the lips moist by applying lip balm especially in night before going to bed. In the course of night sleeping hours, the lip balm penetrates deep within the lips and hydrates it well.
Aging and genetics are natural causes that are not in our hands to direct but rest all other causes for lip wrinkle formation can be controlled. So whether to have or not the malicious premature lip wrinkles is your choice! so do the little effort to wrinkles free lips.