Several features contribute to the authenticity of a sex doll, elevating it from a simple mannequin to a lifelike companion. First, high-quality materials like medical-grade silicone or TPE are essential, as they replicate human skin’s softness, warmth, and elasticity. Realistic facial features, including detailed eyes, eyebrows, and natural-looking hair, enhance visual authenticity. The incorporation of movable joints and flexible internal skeletons allows for natural posing and movement, making interactions more genuine. Skin textures that include pores, freckles, and slight imperfections add to the realism, as does the ability to customize facial and body features for personal preferences. The weight distribution of the doll is also crucial; a well-balanced weight mimics human proportions, providing a more convincing experience. Additional features such as body heat, subtle scent options, and tactile details like soft lips and realistic genitalia further heighten realism. Clean, seamless construction without obvious joints or artificial lines also contributes to authentic appearance. Collectively, these features create an immersive experience that closely resembles real human interaction, making the doll feel more natural and satisfying.