The sex doll industry has witnessed remarkable advancements driven by material innovation, significantly enhancing realism, durability, and user experience. Traditionally, silicone and TPE (thermoplastic elastomer) have been the primary materials used, offering soft, skin-like textures that appeal to consumers. However, recent trends focus on developing materials that combine realism with safety and longevity. Advances in medical-grade silicones have resulted in more hypoallergenic, non-toxic, and easy-to-clean options, ensuring better health standards. Additionally, researchers are exploring new composite materials that mimic the warmth and elasticity of human tissue even more closely. These innovations also aim to improve flexibility, allowing for more natural movement and positioning. Sustainability is increasingly influencing material choices, prompting manufacturers to develop eco-friendly options that reduce environmental impact without compromising quality. Furthermore, some companies are experimenting with smart materials embedded with sensors for enhanced interactivity, such as temperature control or responsive touch features. As technology progresses, the integration of materials that are both realistic and environmentally responsible is expected to become a defining trend. Overall, material innovation continues to elevate the quality and appeal of sex dolls, making them more lifelike, safer, and aligned with modern sustainability standards.