Silica gel is commonly used as a desiccant (drying agent) to absorb moisture from the surrounding environment.

The main purpose of silica gel is to prevent moisture-related damage such as corrosion mold growth spoilage and deterioration of products.

Silica gel is a porous granular form of silicon dioxide that has a high surface area and can absorb and hold water vapor. It is often packed in small sachets and placed inside packaging for products such as medicines electronics leather goods and food items.