After a period of use, many people wonder if silicone doll figurines become softer, less elastic, or even somewhat "collapsed," indicating a quality issue or a normal phenomenon. In fact, the reasons for softening in silicone doll figurines are not singular; they may be related to material properties, usage environment, maintenance methods, and the stability of their internal structure. To determine whether softening is abnormal, it's necessary to understand the composition and aging mechanism of silicone material itself. Silicone is a high-molecular-weight elastomer, inherently possessing properties of softness, malleability, durability, and resistance to deformation. However, even high-quality silicone will naturally experience slight changes in hardness over time; this is one of the material's inherent characteristics. When silicone is exposed to air for extended periods, it may absorb small amounts of oil or moisture, making the surface feel softer and giving the impression of decreased hardness. In addition, ambient temperature is also a significant factor contributing to the softening of silicone dolls. If the figurine is placed in a high-temperature environment, such as a windowsill in summer, a display case under direct sunlight, or near a heater, the surface temperature of the silicone will rise, accelerating the activity of the internal molecular chains and resulting in a softening sensation. This softening is usually temporary. Once the ambient temperature returns to normal, the silicone will return to its original hardness. Therefore, if you find the doll has suddenly become soft, first check if the environment where it's placed is too hot.
Another possibility is related to the volatile oils in silicone itself. Many silicone products add a small amount of silicone oil to improve flexibility. When a silicone doll has been used for a long time, the internal silicone oil may gradually seep to the surface, making the exterior softer and even slightly oily. In this case, it will not only feel softer but may also feel slightly sticky. The solution is simple: just wash the surface with warm water and a little neutral detergent, then let it air dry. If the silicone oil seepage is severe, you can sprinkle some baby powder on it to effectively restore a dry feel. This is a normal material phenomenon and does not indicate damage to the doll.
Furthermore, the softening of a silicone doll may also be related to internal structural compression or uneven stress. If a silicone doll figurine is placed on an uneven surface for an extended period, or if a particular area consistently bears significant weight (e.g., the head is tilted to one side, or the hands and feet are pressed against a table for a long time), slight deformation may occur in certain areas, giving the impression that it has "softened." However, this is usually not a problem with the material itself, but rather deformation caused by external pressure. Adjusting its position, strengthening the support structure, or laying it flat for a period of time will usually restore its original firmness.
Of course, if the silicone doll figurine is made of inferior materials, such as low-standard silicone or silicone mixed with other plastic materials, then softening may indicate a decline in quality or accelerated aging. Low-quality silicone decomposes and oxidizes more quickly under ultraviolet light, humidity, or acidic/alkaline environments, causing it to become soft, yellow, or even crack. If your figurine shows obvious signs of material deterioration or a loose structure, accompanied by a change in odor, it is generally considered deteriorated and needs to be replaced or discontinued.
In summary, softening of a silicone doll figurine does not necessarily indicate damage; in most cases, it is due to normal environmental influences, material characteristics, or signs of use. To minimize softening, avoid prolonged exposure to high temperatures and direct sunlight, maintain a dry and well-ventilated environment, regularly clean surface oils, and keep the ornament in a stable position, avoiding prolonged pressure on any part. This will not only extend the lifespan of the ornament but also keep its feel and appearance in good condition.