A realistic facial scan is the cornerstone of believability in a life-like doll, bridging tactile realism with expressive nuance. The process starts with high-resolution capture of three-dimensional geometry to reproduce contours, pores, and subtle asymmetries that make a face feel genuine. Photogrammetry and structured light scanning are common techniques, often supplemented by multi-view imagery to fill occlusions and preserve depth cues. Color fidelity is achieved through calibrated lighting, texture mapping, and careful skin-tone matching to avoid uncanny results. Beyond appearance, expressive capability depends on a blend of microexpressions, eyelid movement, and the ability to replicate natural head and neck dynamics. Safety and privacy considerations are crucial: scans should be stored securely, with explicit consent for use, and mechanisms to anonymize or encrypt data to protect individuals involved in the capture process. Maintenance matters include regular recalibration, updates to the facial rig for smoother movements, and software patches that improve realism without compromising safety. When done well, the facial scan fosters a convincing illusion of personality while preserving clear boundaries between simulation and reality, creating a more authentic and respectful user experience.