Saccadic eye movement studies show that after the eyes, the mouth is the second area in the face that draws most attention when looking at a face. The lips have been a very popular facial indication for young females, especially because full lips are associated with sexual attractiveness. But even though full lips are a trending topic on social media, more and more opinions about overdone lips have been shared as well. Understanding the aesthetics of the lips with their surrounding facial areas is therefor important when addressing the lipf with fillers. In the aging lip, the radial lip lines are a result of both dynamic movement and collagen loss of the skin.