How to use soundproof cotton to avoid embarrassment?

This is a glass fiber product. You actually touched a tiny glass fiber. Don't scratch it. Scratching may scratch the skin, which is more difficult to remove. If it has just been soiled, it can be washed off with bath water. In this situation, you just have to bear it for a few days. You should pay attention to personal protection when using this product in the future, such as wearing long-sleeved shirts and sleeves, and don't let tiny dust.