Vinyl dolls have a low cost and are made of hard and brittle materials. They are prone to cracking, yellowing, and paint peeling off the surface after prolonged exposure to sunlight and frequent washing. In low temperature environments, the materials become brittle, and the limbs are easily damaged upon impact. Under regular maintenance, their lifespan is mostly between 2 to 3 years.
搪胶娃娃成本偏低，材质偏硬脆，长期阳光照射、频繁水洗后极易出现开裂、发黄、表皮掉漆；低温环境下材质变脆，肢体磕碰就容易破损，常规保养下使用寿命大多在 2～3 年。
Medical-grade liquid silicone is the preferred material for high-end reborn dolls. It has a stable molecular structure, is resistant to oxidation and UV rays, and can be washed and bathed throughout the body. The limbs are not prone to cracking after repeated folding and changing outfits. Properly maintained, they can accompany collectors for more than ten years, which is also a key reason why many collectors choose silicone reborn dolls.
医用级液态硅胶是高端重生娃娃的优选原料，分子结构稳定，耐氧化、抗紫外线，全身可水洗泡澡，反复换装弯折肢体不易开裂，妥善保养后能够陪伴收藏者十余年，也是很多收藏玩家首选硅胶重生娃娃的关键原因。
In addition, the purity of raw materials also holds secrets: inferior recycled silicone contains impurities, and it will become oily and sticky after 1-2 years of use; food-grade and medical-grade environmentally friendly silicone is stable in nature, less prone to oiling and discoloration, thereby extending the lifespan of dolls from the root.
除此之外，原料纯度也暗藏门道：劣质回收硅胶含杂质，使用 1-2 年就会出油粘手；食品级、医用环保硅胶性质稳定，不易出油、不易变色，从根源拉长娃娃使用周期。
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