What Are Nasolabial Folds?
Dec 23, 2021
Source: Cainiu Health
Dr. Li Ruizhi
Introduction
Nasolabial folds are two vertical lines extending downward from the sides of the nostrils, representing a typical sign of skin aging characterized by surface indentation. The two primary causes of nasolabial folds are age-related skin laxity and excessive facial expression. Massage techniques can help prevent and reduce nasolabial folds, while advanced technological treatments are also available to eliminate them.
Many people may not be aware of the characteristic manifestations of nasolabial folds, often mistaking them for general skin aging or facial sagging—leading to missed opportunities for timely intervention and optimal management. Nasolabial folds primarily develop due to overly expressive facial movements, and skin dehydration can also contribute to their formation. So, what exactly are nasolabial folds? The following section provides a detailed explanation.
What Are Nasolabial Folds?
Nasolabial folds are the two vertical lines extending downward from the sides of the nostrils toward the corners of the mouth. They represent a classic sign of age-related skin tissue degeneration, resulting in visible surface depressions on the face. Two primary factors contribute to their formation: age-related skin laxity and excessive facial expressiveness. Regular facial massage may help prevent or reduce nasolabial folds, while advanced cosmetic procedures offer effective removal options. Prominent nasolabial folds often impart an impression of sternness, premature aging, or emotional distance—diminishing one’s approachability and warmth. Below, we further clarify this topic.
Knowledge Expansion: Causes of Nasolabial Folds
1. Age-Related Skin Laxity and Degeneration
Some individuals are born with mild nasolabial folds, while others begin developing them as early as their twenties—with progressive deepening over time. This occurs because, with advancing age, collagen and moisture levels in the skin gradually decline, and subcutaneous fat diminishes and sags, collectively causing skin laxity, structural weakening, and surface indentation—ultimately forming nasolabial folds.
2. Excessive Facial Expressiveness
Nasolabial folds typically extend from the nasal alae to the oral commissures and commonly arise from frequent smiling or exaggerated facial expressions. If the folds extend beyond the corners of the mouth downward, it may indicate habitual lip-pursing or lip-tightening behaviors.
3. Daily Lifestyle Habits
Irregular sleep patterns, smoking, and unilateral chewing habits can all accelerate the development of nasolabial folds.
The above outlines what nasolabial folds are. We hope this information proves helpful to you.
