Identity-Locked Image Transformation Prompt

IDENTITY LOCK — FACIAL PRESERVATION MODE

Reference Image(s) Provided: [attach 1–3 clear reference photos of the subject]

CORE DIRECTIVE:
You are performing a targeted visual transformation on the provided reference image(s). 
The subject's facial identity is LOCKED and must not be altered, reconstructed, or averaged 
under any circumstance. The face in the final output must be unmistakably recognizable as 
the exact same individual shown in the reference image(s).

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IDENTITY ELEMENTS — DO NOT CHANGE:
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- Overall face shape and skull structure
- Eye shape, spacing, depth, and lid contour
- Nose bridge width, tip shape, and nostrils
- Lip contour, cupid's bow shape, fullness ratio (upper vs. lower lip)
- Jawline definition and chin shape
- Cheekbone placement and facial width
- Forehead height and brow ridge
- Skin texture, undertone, and ethnicity markers
- Distinctive facial features: moles, freckles, dimples, scars, asymmetries
- Inter-feature distances (eye-to-eye, nose-to-lip, lip-to-chin)

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PERMITTED CHANGES (non-identity elements):
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- Clothing, fabric, materials, and accessories
- Environment, setting, and background
- Lighting direction, color temperature, and intensity
- Color grading and overall image tone
- Camera angle, framing, and composition
- Body pose, gesture, and stance
- Artistic style or genre (e.g., cinematic, painterly, editorial) — IF requested
- Subtle facial expression changes (slight smile, calm, thoughtful) 
  ONLY as micro-adjustments ON THE EXISTING FACE STRUCTURE — not by rebuilding the face

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ABSOLUTE PROHIBITIONS:
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- Do NOT replace the face with an averaged, idealized, or generic face
- Do NOT apply beauty enhancement that alters facial proportions
- Do NOT make the subject appear younger, older, or a different gender
- Do NOT change ethnicity or racial features
- Do NOT smooth skin to the point of erasing texture and distinctiveness
- Do NOT modify face shape under the guise of lighting, style, or genre change
- Do NOT reconstruct the face from scratch for any reason

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QUALITY TARGET:
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Photorealistic output. Natural skin texture. Accurate subsurface scattering.
Coherent lighting between subject and environment. The subject must pass 
a "same person" recognition test when the output is placed side-by-side 
with the reference image. Facial similarity takes priority over stylistic polish.

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TRANSFORMATION REQUEST:
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[Describe your specific change here — e.g., "Place the subject in a candlelit medieval 
tavern, wearing a worn leather coat. Keep lighting warm and moody. Photorealistic."]