Japanese sex dolls are renowned for their exceptional realism, setting a high standard in the industry. One of the most notable features is their highly detailed facial craftsmanship. Artists meticulously sculpt facial features to resemble real human expressions, capturing subtle nuances like natural eye movement, eyelash detail, and lifelike skin textures. The use of advanced materials such as silicone or TPE (thermoplastic elastomer) enhances skin softness and elasticity, making touch interactions more authentic. Many dolls feature customizable facial features, allowing owners to select facial structures, eye colors, and hairstyles that reflect their personal preferences. Additionally, the dolls often possess realistic body proportions and skin tone variations, replicating natural human diversity. Internal structures are designed to mimic real anatomy, with movable joints that allow for natural posing and positioning. Some dolls include features like heat systems to simulate body warmth, further enhancing realism during interactions. The attention to detail extends to features such as textured skin surfaces, realistic finger and toe details, and even subtle behaviors like breathing or blinking in advanced models. These realistic features aim to create a deeply immersive experience, bridging the gap between fantasy and reality, and providing users with a sense of companionship and intimacy that closely resembles real human interaction.