The realism of a sex doll largely depends on the materials used in its construction. The most common materials are high-grade silicone and thermoplastic elastomer (TPE). Silicone is prized for its durability, heat resistance, and lifelike feel; it is non-porous, making it easier to clean and maintain. TPE, on the other hand, is softer and more flexible, providing a closer sensation to human skin; however, it is slightly more porous, requiring careful cleaning to prevent bacterial buildup. Both materials can be colored and textured to mimic natural skin tones and features, enhancing realism. Some manufacturers combine these materials or reinforce them with internal structures for added strength and stability. Additionally, the quality of these materials affects the weight and temperature regulation of the doll, contributing to a more authentic experience. It’s essential to choose a product made from medical-grade, body-safe materials to ensure safety and comfort. The right choice of material depends on personal preferences, desired durability, and ease of maintenance, making it a critical factor in selecting a realistic sex doll.