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Why is there no labial groove?

2025-12-21 07:50:25 constellation

Why is there no labial groove? ——Analysis of the relationship between lip structure and hot topics

Recently, discussions about "labial grooves" have quietly arisen on social media. Many netizens are curious about why some people have obvious labial grooves (a depression in the philtrum) while others do not. This article will combine the hot topic data of the entire Internet in the past 10 days to analyze this phenomenon from the medical, aesthetic and cultural perspectives, and attach relevant hot content statistics.

1. Medical explanation of labial folds

Why is there no labial groove?

The Philtrum is a longitudinal depression in the center of the upper lip, formed by the fusion of facial tissues during embryonic development. Its depth is affected by the following factors:

Influencing factorsSpecific instructions
geneticsDetermines the basic structure of facial bones and soft tissues
muscle developmentThe tension of the orbicularis oris muscle affects the conspicuity of the labial furrow
fat distributionPeople with less upper lip fat have more pronounced labial grooves

2. Correlation analysis of hot topics across the entire network

In the past 10 days, discussions related to "labial folds" have been mainly related to the following hot events:

DateRelated topicsDiscussion popularity
2023-11-05Rumors about a celebrity’s plastic surgeryWeibo reading volume: 120 million
2023-11-08#Labial groove aesthetic standard#Douyin views 38 million
2023-11-12Controversy among medical beauty bloggersStation B video has over 500,000 likes

3. Comparison of cultural aesthetic differences

There are significant differences in the aesthetic standards of labial folds in different cultures:

areaaesthetic tendencyTypical representative
East AsiaPrefer shallow lip grooves and emphasize soft linesKorean girl group makeup
Europe and AmericaAppreciate the deep lip grooves and highlight the three-dimensional effectangelina jolie
middle eastEnhance the presence of lip folds through makeupArabian eye makeup matching

4. Why do some people not have obvious labial grooves?

1.innate developmental factors: About 15% of the population has a flatter lip structure due to different tissue fusion methods during the embryonic stage.
2.Effects of aging: Loss of collagen will lead to shallower lip grooves, which occurs in 23% of people over 40 years old (data source: 2023 Dermatology Yearbook).
3.Medical aesthetic intervention results: Over-injection of fillers may cause the lip folds to disappear. Recently, an Internet celebrity was on the hot search list for this reason.

5. Collection of hot topics discussed by netizens

According to social media platform data analysis, disputes mainly focus on:

Disputed pointsSupport ratioOpposition proportion
Is labial groove necessary?42%58%
Medical aesthetics to change lip folds35%65%
Gender aesthetic differences73% of men prefer deep labial grooves61% of women prefer shallow labial grooves

Conclusion

The presence or absence of labial grooves is not only a manifestation of biological characteristics, but also reflects the diversity of contemporary aesthetic concepts. With the recent rise of #naturalbeautymovement (the Weibo topic has been read 540 million times), the discussion about lip folds has gone beyond a mere appearance evaluation and has become a symbol of body autonomy and cultural identity. It is worth noting that medical experts remind: If the lip groove suddenly disappears accompanied by other symptoms, you need to be alert to the possibility of neurological disease.

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