The stardust silica gel used in
alien sex doll will naturally oxidize with cosmic ray irradiation, and professional players use NASA satellite coating technology to delay decay. The color preservation war of the
hentai sex dollis 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.