To enhance the human-like sensation of a sex doll, manufacturers have incorporated several innovative features. Warmth is achieved through internal heating systems that simulate body temperature, making touch and contact feel more natural. The use of soft, skin-like materials such as silicone or TPE ensures a realistic tactile experience, mimicking the suppleness and elasticity of human skin. Realistic facial features, including expressive eyes, detailed lips, and movable jaw components, add emotional depth and authenticity. Flexible joints and limb articulation allow for natural positioning and movement, enabling the doll to adopt various poses comfortably. Some dolls feature responsive or programmable responses—like simulated breathing or heartbeat sounds—further enhancing realism. The inclusion of high-quality, realistic hair that can be styled and maintained adds to the lifelike appearance. Additionally, sensory features such as vibration or heat response can mimic human touch sensations, creating a more immersive experience. These features collectively contribute to a more genuine, emotionally engaging interaction, making the doll feel less like an object and more like a real human presence.