Learn more As a beauty writer for over 5 years, I've tried many lip plumpers that have left my skin irritated and burning. Sure, filler injectables are an option for fuller lips, but it's an ...

Swollen lips may be caused by allergic reactions, injuries, chapping or sunburn, infections, and cysts called mucoceles. The swelling comes from either inflammation or built-up fluid under the skin.

Lip twitching happens when your upper or bottom lip shakes, trembles, or quivers uncontrollably. It may be caused by something as simple as drinking too much caffeine or being low in potassium, but, ...