Sericin contained in the cocoon removes old keratin from your skin, leaving it smooth. This is an opened product; no pupae are included. Please refrain from purchasing if you are concerned about home storage. - Product Name: Otomi-chan's Beautiful Skin Cocoon - How to Use: Soak in water and use - Skincare: For facial cleansing - Features: Soft material, gentle on the skin Thank you for viewing.