Home World 8 Unexpected Ways to Put Your Eggshells to Good Use 8 Unexpected Ways to Put Your Eggshells to Good Use 1. Face Mask 2. Treat Skin Irritations 3. Strong Cleaner 4. Garden Fertilizer 5. Cat Deterrent 6. Better Tasting Coffee 7. Powdered Calcium Supplement 8. Laundry Whitener MORE DETAILS: HERE