The stardust silica gel used in [url=https://www.sexdollpartner.com/collections/alien-sex-dolls]alien sex doll[/url] will naturally oxidize with cosmic ray irradiation, and professional players use NASA satellite coating technology to delay decay. The color preservation war of the [url=https://www.sexdollpartner.com/collections/hentai-sex-doll]hentai sex doll[/url]is even more intense - a brand has launched a nano-coating containing DNA fragments of anime characters, claiming that it can keep the peach pink pubic area forever as new. This material anti-aging competition is actually an alternative duel between sci-fi hardcore and two-dimensional aesthetics.