GUIDE

The Facial Metrics Behind Your PSL Score

Your PSL rating isn't pulled from thin air — it's a composite of dozens of individually measured facial characteristics. Each metric has a researched ideal range, a specific calculation method, and a weighted contribution to your overall score. This guide breaks down every major metric behind the PSL scale, what it measures, why it matters, and where you likely stand.

📊

What's YOUR PSL Rating?

Stop wondering. FaceMaxx analyzes 468 facial landmarks to calculate your exact score — symmetry, canthal tilt, facial thirds, and more.

✨ Try FaceMaxx Free →

Instant AI face scan. Detailed breakdown available.

How PSL Metrics Work Together

No single metric makes or breaks a PSL score. The system works by measuring each facial characteristic individually, converting the raw measurement into a normalized 0–100 score based on how close it falls to the ideal range, then combining all scores using a weighted formula. Metrics that research shows have a larger impact on perceived attractiveness carry more weight in the final calculation.

This means someone with one exceptional feature and several weak ones will score lower than someone with consistently good (but not elite) features across the board. The PSL scale rewards facial harmony — the sum is greater than the parts. Understanding which specific metrics are pulling your score down is the key to targeted improvement.

The ideal ranges also differ between men and women — for a full breakdown of how gender affects each metric, see our guide on PSL ratings for men vs women.

Facial Symmetry

What it measures: How closely the left and right halves of your face mirror each other. Calculated by comparing the positions of bilateral facial landmark pairs — eyes, cheekbones, jaw corners, mouth corners, nostrils — across a vertical center line.

Why it matters: Symmetry is the single most consistent predictor of facial attractiveness across all cultures and demographics. Decades of research confirm that higher facial symmetry correlates with higher attractiveness ratings. It signals developmental stability and genetic health at a biological level — our brains are hardwired to find symmetrical faces more appealing.

Ideal range: 90%+ is good, 95%+ is excellent. Perfect symmetry (100%) doesn't exist in nature. Most people fall between 85–92%. Reaching 95%+ puts you in the top tier for this metric.

How it's scored: The algorithm calculates distances from each bilateral landmark pair to the facial midline, computes the deviation between left and right, and produces a weighted average. Features closer to the center of the face (eyes, nose) carry more perceptual weight than peripheral features (jaw edges).

Canthal Tilt

What it measures: The angle of your eye opening from the inner corner (inner canthus) to the outer corner (outer canthus). A positive tilt means the outer corner sits higher than the inner corner. A negative tilt means the outer corner droops below.

Why it matters: Canthal tilt is one of the most heavily discussed metrics in looksmaxxing because it has an outsized impact on perceived attractiveness. Positive canthal tilt creates an alert, youthful, "almond-shaped" eye appearance. Negative canthal tilt creates a tired or sad look. Small differences in this angle — even 2–3 degrees — visibly change how the eyes read.

Ideal range: +3° to +7° for men, +4° to +8° for women. Neutral (0°) is average. Anything below -2° begins to negatively impact PSL score.

How it's scored: Measured using atan2 calculation between inner and outer canthus landmark positions. The raw angle in degrees is converted to a 0–100 normalized score using a non-linear curve where the optimal range scores 85–100 and scores decay progressively outside that range.

FWHR (Facial Width-to-Height Ratio)

What it measures: The ratio of bizygomatic width (distance across the cheekbones at the widest point) to upper facial height (distance from the upper lip to the brow line).

Why it matters: FWHR is associated with perceived dominance, masculinity, and attractiveness — particularly in men. Higher FWHR signals testosterone exposure during development. It's one of the metrics that differs most between male and female ideal ranges.

Ideal range: 1.9–2.05 for men, 1.75–1.9 for women. Below 1.7 reads as overly narrow. Above 2.2 can appear disproportionately wide.

How it's scored: Simple ratio calculation from bizygomatic and upper face height landmarks. Converted to a normalized score with gender-specific optimal ranges.

Gonial Angle

What it measures: The angle formed at the gonion — the corner of your jaw where the mandible changes direction from the ramus (ascending part) to the body (horizontal part). A sharper angle means a more defined jaw corner.

Why it matters: The gonial angle is the primary determinant of jawline definition. A sharper angle creates the angular, chiseled jaw look that's central to masculine attractiveness and contributes to facial structure for both genders. A wider, more obtuse gonial angle creates a softer, less defined jaw. This is one of the most impactful metrics for overall PSL score — and one of the most improvable through body fat reduction.

Ideal range: 115–122° for men, 120–128° for women. Above 130° typically indicates a weak jawline that's pulling your PSL score down. Below 115° is exceptionally sharp and rare.

How it's scored: Calculated using the dot product of vectors formed by jaw angle landmarks. This gives the true angular measurement in degrees, which is then scored against the gender-specific ideal range.

For strategies to improve your gonial angle appearance, see how to get a better jawline.

Facial Thirds

What it measures: The proportional balance between three horizontal zones of the face — the upper third (hairline to brow line), middle third (brow line to nose base), and lower third (nose base to chin).

Why it matters: Balanced facial thirds are a hallmark of facial harmony. When one third is significantly longer or shorter than the others, the face appears "off" even if individual features are good. An elongated lower third (long chin/jaw area) or compressed middle third can drag down an otherwise strong PSL score.

Ideal range: As close to 33.3% / 33.3% / 33.3% as possible. Deviations under 3% are considered well-balanced. Deviations of 6%+ become visibly noticeable.

How it's scored: Measured as percentages of total face height. Each third's deviation from the ideal 33.3% is calculated, and the score is based on the maximum deviation — because the most imbalanced third has the largest visual impact.

Golden Ratio Alignment

What it measures: How closely key facial proportions match phi (φ = 1.618), the mathematical golden ratio. Multiple proportional relationships across the face are compared against this ideal.

Why it matters: The golden ratio appears throughout nature and has been linked to aesthetic beauty since antiquity. Faces where key relationships — such as face height to width, nose length to mouth width, or eye spacing to nose width — approach phi are consistently rated more attractive. It's one of the most universal markers of facial beauty.

Ideal range: 90%+ golden ratio match is excellent. 95%+ is exceptional and very rare. Most people fall between 75–88%.

How it's scored: Multiple facial proportion pairs are measured and compared to phi. The overall golden ratio score is a weighted average of how closely each individual proportion matches 1.618, with proportions that have more visual impact weighted more heavily.

Hunter Eyes (Composite Metric)

What it measures: A composite score combining multiple eye area metrics to evaluate overall eye attractiveness. Composed of canthal tilt (40% weight), brow position relative to the eye (35% weight), and upper eyelid exposure (25% weight).

Why it matters: The hunter eyes concept describes the ideal eye area in looksmaxxing — deep-set, hooded, with positive canthal tilt and minimal upper lid exposure. This combination creates an intense, alert gaze associated with high facial attractiveness. The opposite — "prey eyes" — features round, wide-open eyes with negative tilt and visible upper lid, creating a softer or startled appearance.

Ideal range: 7+ out of 10 for the composite score. An 8+ is exceptional. The individual components each need to be at least moderate — one great sub-metric can't fully compensate for a weak one.

Jaw Definition (Composite Metric)

What it measures: Another composite score evaluating overall jaw and lower facial structure. Incorporates gonial angle, mandibular plane angle, chin projection, jaw width (bigonial breadth), and the bigonial-to-bizygomatic ratio.

Why it matters: Jaw definition is consistently rated as one of the top contributors to facial attractiveness, especially for men. A strong jaw signals maturity, health, and testosterone. This composite captures the full picture rather than relying on any single jaw measurement.

Ideal range: 7+ out of 10 composite. The gonial angle is the heaviest-weighted component. Jaw definition is one of the most responsive metrics to lifestyle changes — reducing face fat, mewing, and strength training all improve how the jaw presents.

Additional Metrics (35+ Total)

Beyond the major metrics above, a comprehensive PSL analysis includes over 35 individual measurements. Here's what else goes into the score:

Eye & Brow Region

Interpupillary distance (IPD) ratio — spacing between pupils relative to face width. Ideal range clusters around 0.44–0.48 of bizygomatic width. Too wide or too narrow affects facial balance.

Palpebral fissure — the height of the eye opening. Larger palpebral fissure height generally scores better for women, moderate for men.

Brow position — distance from the brow to the eye. Lower, more prominent brows score higher for men (creates brow ridge effect). Higher, arched brows score better for women.

Upper eyelid exposure — how much upper lid is visible. Less exposure (hooded) generally scores higher, especially for men.

Eye area composite — overall eye region score combining shape, proportion, and position metrics.

Nose Region

Nose width (alar base) — width of the nose at the nostrils relative to intercanthal distance. The ideal ratio is approximately 1:1 with the distance between inner eye corners.

Nasofrontal angle — the angle between the forehead slope and the nose bridge. Affects profile aesthetics. Ideal ranges differ by gender.

Nasolabial angle — the angle between the nose base and upper lip. Too acute (drooping tip) or too obtuse (upturned) affects the profile score.

Nasal tip projection — how far the nose tip projects from the face. Measured relative to nose length.

Philtrum length — distance from nose base to upper lip. Shorter philtrum generally scores higher, especially for women.

Mouth & Lower Face

Lip fullness ratio — upper to lower lip proportion. The widely cited ideal is approximately 1:1.6 (lower lip slightly fuller).

Mouth width to nose width ratio — proportional relationship between mouth and nose. Should approximate 1.5:1.

E-line position — whether the lips fall behind, on, or in front of a line drawn from nose tip to chin tip. Ideal position is slightly behind or touching the line.

Chin projection — forward projection of the chin relative to the lower lip. Critical for strong profile scores, especially in men.

Mandibular plane angle — the angle of the lower jaw relative to horizontal. Affects how the jaw "sweeps" from chin to ear.

Overall Proportions

Midface ratio — length of the midface relative to total face height. A long midface is one of the most common aesthetic complaints and PSL detractors.

Bigonial-bizygomatic ratio — jaw width compared to cheekbone width. Gender-specific ideal ranges reflect different jaw width preferences for men vs women.

Profile angle — the overall angle of the face in profile view, measuring facial convexity.

Facial convexity — whether the profile is flat, convex (protruding midface), or concave (protruding chin/forehead). A relatively straight profile typically scores highest.

Cheekbone prominence — how much the cheekbones project laterally. Higher projection generally scores better for both genders.

How the Overall Score Is Calculated

Each of the 35+ raw measurements is first converted into a normalized score from 0 to 100 using a non-linear conversion curve. Measurements that fall within the ideal range score 85–100. Those in the "good" range score 65–84. Acceptable ranges score 40–64. Scores decay progressively outside these ranges — the further from ideal, the steeper the penalty.

The normalized scores are then combined using a weighted formula: each metric's score is multiplied by its weight (based on research-backed impact on attractiveness), summed, and divided by total weight. This produces a composite score that's then calibrated to the 1–10 PSL scale using a distribution curve where 4.0 represents roughly the 50th percentile and 8.0+ represents the top 5%.

The result is a single number that captures the full picture of facial harmony — but the real value is in the individual metric breakdown. Knowing your overall score is interesting. Knowing which specific metrics are your strengths and weaknesses is actionable.

For what to do with that information, read our guide on how to improve your PSL rating. For what each overall score tier looks like, see the PSL rating chart.

📊

What's YOUR PSL Rating?

Stop wondering. FaceMaxx analyzes 468 facial landmarks to calculate your exact score — symmetry, canthal tilt, facial thirds, and more.

✨ Try FaceMaxx Free →

Instant AI face scan. Detailed breakdown available.


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