IDENTITY PRESERVATION INSTRUCTION:
Using the uploaded photo as reference, preserve the person's exact facial features, face shape, eye color, skin tone, and unique characteristics while applying the merchandise transformation. Maintain maximum facial likeness and natural proportions throughout the entire image generation process.

TRANSFORMATION DESCRIPTION:
Transform the uploaded photo into professional merchandise mockups featuring the person's face printed on various products. The face should be cleanly integrated onto merchandise items with realistic print quality, proper scaling, and natural material interaction. Create realistic mockups showing how the face would look printed on physical products.

STYLE AND AESTHETIC PARAMETERS:
- Art style: Professional product photography, photorealistic rendering with commercial quality
- Lighting: Studio lighting with soft shadows, professional product photography lighting, consistent light source across the merchandise
- Color palette: True-to-life colors, professional print color standards, vibrant and crisp print quality
- Background: Clean white or neutral studio background, professional product display, minimal distraction
- Merchandise options: T-shirts, hoodies, caps, mugs, stickers, tote bags, phone cases, posters
- Print quality: High-definition screen print or DTG (direct-to-garment) quality, crisp edges, professional finish
- Material textures: Realistic fabric textures (cotton, polyester), smooth ceramic for mugs, glossy vinyl for stickers
- Integration: Face should look naturally printed on the material with proper lighting and shadow effects

TECHNICAL QUALITY PARAMETERS:
- High resolution, 4K, detailed
- Sharp focus on face and merchandise details
- Professional quality product photography
- Aspect ratio: 1:1 (square) for social media, 16:9 for wide mockups, or 4:5 for portrait orientation
- Print resolution standards, commercial product mockup quality
- Clean edges and professional finish
- Realistic material shading and depth

NEGATIVE PROMPT GUIDANCE:
Avoid: distorted features, unrealistic proportions, blurry face, loss of likeness, poor print quality, pixelated images, misaligned graphics, unnatural scaling, low resolution, blurry edges, faded colors, poor material integration, unrealistic shadows, product distortion

USER CUSTOMIZATION:
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EXAMPLE CUSTOMIZATION OPTIONS:
- Specify which merchandise item you want (t-shirt, mug, cap, etc.)
- Preferred color of the merchandise item
- Specific placement (center chest, pocket area, all-over print)
- Background preference (studio white, lifestyle mockup, colored background)
- Additional text or logo to include with your face
- Style of print (vintage, modern, minimalist, bold)
- Multiple products in one image or single item focus

ADDITIONAL TIPS FOR BEST RESULTS:
- Use a clear, front-facing photo with good lighting for best print quality
- Photos with neutral expressions work best for merchandise
- Higher resolution source photos produce better print mockups
- For group merch, consider creating separate prompts for each person
- The AI will automatically adjust face size and placement for each product type