Learn how aging, repetitive movements, environmental factors and genetics can lead to vertical lip lines, also known as smoker's lines. Explore topical treatments, cosmetic procedures and skincare tips to reduce and prevent these fine lines around the mouth. Answer: vertical lips pl (plural only) (slang) The labia majora. The difference between vertical and Horizontal Lips are given below: Horizontal Lips : The horizontal lips lies in the face. It is the commonly used term to be described as the kio. The horizontal lips is richly supplied with blood vessels and nerves just like the horizontal lips . The horizontal lips are present in both males and females ... Vertical lip lines, often called smoker’s lines, can add years to one’s appearance and disrupt lip harmony. With increasing demand for non-surgical perioral rejuvenation, Juvéderm dermal fillers offer an advanced solution for smoothing lip wrinkles, with clinically proven techniques that improve texture, volume, and contour around the lips .