Use flat, even lighting. Avoid harsh shadows or bright flashes.
: If the lips or chin have harsh texture lines, you can use a 2D image editor (like Photoshop or GIMP) to blend the edges of the FaceGen texture into a standard VaM skin texture. Hybrid Approaches
: Use a photo editor to clean up the FaceGen diffuse map. Focus on the chin, lips, and eyelids where AI generation often fails.
It creates high-quality skin textures that match the photos.