Choosing the right material is crucial for achieving maximum realism in sex dolls. The most common options include silicone and TPE (thermoplastic elastomer), each offering unique advantages. Silicone dolls are renowned for their durability, high fidelity in skin texture, and resistance to discoloration. They tend to feel firmer but can be made very soft and realistic with advanced techniques. TPE dolls, on the other hand, are softer and more flexible, providing a sensation closer to human skin, and are often more affordable. However, TPE is more porous, requiring diligent cleaning and maintenance to prevent damage or staining. Some manufacturers are experimenting with newer hybrid materials that combine the best features of both, such as silicone cores with TPE overlays, to improve tactile feel and longevity. The choice of material also affects weight, temperature responsiveness, and ease of customization. For maximum realism, consider dolls with high-quality, medical-grade silicone or TPE that mimic the softness, elasticity, and appearance of real skin. Ultimately, the ideal material depends on your preferences for touch, maintenance, and durability, but advancements continue to push the boundaries of realism in both options.