Modern sex dolls have evolved remarkably, transitioning from basic plastic figures to highly realistic companions. Advances in materials science have played a vital role, with silicone and thermoplastic elastomers becoming the standard due to their durability, flexibility, and lifelike texture. These materials simulate human skin, offering a natural feel that enhances user experience.

Inside, many dolls feature metal skeletons or internal supports, allowing for adjustable poses and increased stability. Some incorporate heating elements to mimic body warmth, further enhancing realism. The use of high-quality materials also ensures safety and ease of cleaning, crucial for hygiene and longevity.

Innovations continue with the inclusion of realistic orifices, detailed facial features, and customizable features like hair and eye color. This technological progression reflects a desire for more authentic and personalized experiences, bridging the gap between artificial and human touch.

As technology advances, future materials may incorporate even more sophisticated features, such as responsive skin or embedded sensors, pushing the boundaries of realism in sex dolls.