The pursuit of realism has been a driving force behind the evolution of sex dolls. Early models were basic and lacked detailed features, but technological advancements have transformed them into highly lifelike companions. Modern dolls boast anatomically correct structures, flexible joint systems, and skin-like textures achieved through advanced silicone or TPE materials. Facial features have become increasingly detailed, with realistic eyes, eyelashes, and expressions that mimic human emotion. Hair options now include high-quality synthetic or even natural hair, adding to the authenticity. Internal mechanisms such as articulated skeletons or heating elements enhance movement and warmth, increasing realism during interaction. Additionally, some manufacturers integrate AI and voice recognition to enable conversational capabilities, further blurring the line between artificial and human-like experiences. The customization process has expanded to include various body types, skin tones, and facial features, allowing consumers to create personalized dolls that reflect their preferences. As technology continues to advance, future developments may include augmented reality integration or improved sensory feedback, making interactions even more immersive. The ongoing evolution of realistic features aims to meet consumer desires for authenticity, comfort, and emotional connection in their products.