Material selection is a critical factor influencing the realism, durability, and safety of sex dolls worldwide. The most common materials used include silicone and thermoplastic elastomers (TPE), each offering distinct advantages. Silicone dolls are prized for their heat resistance, firmness, and long-lasting qualities. They typically provide a more realistic skin feel and are easier to clean, making them popular among consumers seeking high-quality products.

TPE, on the other hand, is softer and more flexible, providing an ultra-realistic, lifelike texture that closely mimics human skin. It is generally more affordable than silicone, making it accessible to a broader audience. However, TPE is more porous, which can pose hygiene challenges if not properly maintained, and may require more delicate care to prevent tears or damage.

Some manufacturers experiment with hybrid materials or incorporate new innovations like memory foam cores or specialized surface treatments to enhance realism and longevity. Eco-friendly or hypoallergenic options are also emerging, addressing consumer concerns about safety and environmental impact.

Ultimately, the choice of material depends on individual preferences, budget, and maintenance considerations. While silicone offers superior durability and realism, TPE provides a softer, more affordable alternative. As technology advances, the market is likely to see further innovations aimed at balancing realism, safety, and sustainability.