Most realistic sex dolls usa are made from either silicone or thermoplastic elastomer, commonly known as TPE. These materials are chosen because they are soft, flexible, and capable of reproducing skin-like textures. When new, they often feel smooth, elastic, and slightly warm to the touch, creating a strong first impression of realism. Over time, however, exposure to air, light, heat, friction, and oils gradually alters their molecular structure. This process does not mean the doll is defective, but it does mean that change is inevitable.

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