Many ways to soften the silk in the silk quilt are to soak it in a softener, but this method may cause damage to the silk and is not recommended. It is better to send the quilt for renovation, take out the caked and moldy part of the silk quilt, add new silk, and then pull and position again.
Under normal circumstances, the silk in the silk quilt will not harden. If such a situation occurs, it is simply because the silk is caked due to moisture, or pressed by heavy objects for a long time, or because the quality of the silk is relatively poor.
There are many claims on the Internet that silk is softened by soaking it in a softener, but this method may cause damage to the silk, and it will make the silk not fluffy enough.
In fact, the best way is to send the silk to be renovated, so that the caked and moldy parts of the silk quilt can be taken out and added with new silk, and then the silk can be drawn and positioned again, so that the silk can be used more soft.