Smize vs Duchenne Smile
Smize is a deliberate eye-focused technique; Duchenne is the full authentic expression. Smize is a subset of Duchenne activation.
Analyze your features with Eye Shape Analyzer, Face Shape Analyzer, Face Analyser, or Smile Analyzer.
Smize
Tyra Banks' technique — smiling with the eyes while keeping mouth controlled.
- •Eye crinkle without full mouth smile
- •Cheek lift under eyes
- •Controlled lip position
- •Photogenic for models
- •Partial orbicularis oculi activation
Duchenne Smile
Genuine smile engaging both mouth and eyes — the gold standard of authentic joy.
- •Full lip corner elevation
- •Strong eye crinkle
- •Involuntary activation
- •Highest warmth ratings
- •Symmetric in most people
Verdict
Duchenne scores highest on Smile Tracker. Smize works for controlled portraits where mouth position matters.
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FAQ
Can you smize without smiling?
Yes — that's the point. Eye engagement without mouth movement defines the smize.
Which scores higher on AI?
Full Duchenne smiles typically score 10–20 points higher than smize-only expressions.