12 Health Mysteries Explained
The older you get, the less collagen you produce. And collagen, a protein that supports the bodys soft tissue, is what gives lips their pleasing plumpness, says DAnne Kleinsmith, M.D., a dermatologist in Bloomfield Hills, Michigan. The suns ultraviolet rays can also cause collagen to break down and lips to thin. One way to help preserve the fullness of your lips, Kleinsmith says, is to protect them from the sun by wearing a lipstick or lip balm with sunscreen.