Harmony · measured from a front photo
Lower third split
Subnasale to lip line divided by lip line to chin. Ideal is about 1 : 2.
Reference range
| Male | Female | |
|---|---|---|
| Range scored 10/10 | 0.45 to 0.55 | 0.45 to 0.55 |
Outside the range the score falls off smoothly: about 6/10 at 0.06 outside it and about 1.4/10 at twice that. Ranges are compiled from facial-aesthetics research and the neoclassical canons; they describe averages of faces rated attractive, not a medical standard.
What can fool it
Needs a closed, relaxed mouth. Smiling breaks it.
Where it counts
It feeds the Harmony pillar (proportional balance between features), which is 35% of the overall Mirrorline score.
Measure your lower third split
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