The history of sex dolls reflects significant technological and material advancements, evolving from basic silicone figures to sophisticated hybrid models. Early dolls were primarily made from simple silicone or rubber, often limited in realism and functionality. Over time, innovations introduced more lifelike features, including detailed facial expressions, realistic skin textures, and movable joints, enhancing the overall experience. The development of hybrid sex dolls marked a major milestone by combining different materials, such as silicone, TPE (thermoplastic elastomer), and advanced internal frameworks. This fusion allows for customizable features, improved durability, and enhanced sensory responses. The evolution also includes the integration of technology, such as heating elements, sound modules, and even artificial intelligence, transforming these dolls into interactive companions. The shift from purely static figures to dynamic, responsive entities signifies a broader recognition of their potential beyond mere objects—serving as tools for intimacy, companionship, and personal exploration. As materials and technology continue to improve, future sex dolls will likely become even more realistic, emotionally engaging, and user-friendly, reflecting ongoing innovations in craftsmanship and user experience.